Лучшие помощники
- Megamozg 2205 б
- Matalya1 1800 б
- DevAdmin 1720 б
- arkasha_bortnikov 900 б
- Dwayne_Johnson 870 б
27 августа 2023 01:45
698
В треугольнике ABC AC=BC, sinACD=2/√5, AH и CD высоты. Найдите tgBAH
1
ответ
Для решения данной задачи, нам понадобится использовать теорему синусов и теорему Пифагора.
Из условия задачи, мы знаем, что AC = BC и sin(ACD) = 2/√5.
Так как AC = BC, то треугольник ABC является равнобедренным.
Из теоремы синусов, мы можем записать:
sin(ACD) / CD = sin(CAD) / AC
2/√5 / CD = sin(CAD) / AC
sin(CAD) = (2/√5) * CD / AC
Так как треугольник ABC является равнобедренным, то угол CAD равен углу CBA.
Из теоремы Пифагора, мы можем записать:
AC^2 = AH^2 + CH^2
Так как AC = BC, то CH = BC / 2
AC^2 = AH^2 + (BC / 2)^2
AC^2 = AH^2 + BC^2 / 4
Из условия задачи, мы знаем, что AC = BC, поэтому:
AC^2 = AH^2 + AC^2 / 4
AH^2 = AC^2 - AC^2 / 4
AH^2 = 3AC^2 / 4
AH = √(3AC^2 / 4)
Теперь мы можем найти sin(CAD):
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / BC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD
Из условия задачи, мы знаем, что AC = BC и sin(ACD) = 2/√5.
Так как AC = BC, то треугольник ABC является равнобедренным.
Из теоремы синусов, мы можем записать:
sin(ACD) / CD = sin(CAD) / AC
2/√5 / CD = sin(CAD) / AC
sin(CAD) = (2/√5) * CD / AC
Так как треугольник ABC является равнобедренным, то угол CAD равен углу CBA.
Из теоремы Пифагора, мы можем записать:
AC^2 = AH^2 + CH^2
Так как AC = BC, то CH = BC / 2
AC^2 = AH^2 + (BC / 2)^2
AC^2 = AH^2 + BC^2 / 4
Из условия задачи, мы знаем, что AC = BC, поэтому:
AC^2 = AH^2 + AC^2 / 4
AH^2 = AC^2 - AC^2 / 4
AH^2 = 3AC^2 / 4
AH = √(3AC^2 / 4)
Теперь мы можем найти sin(CAD):
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / BC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD / AC
sin(CAD) = (2/√5) * CD
0
·
Хороший ответ
27 августа 2023 01:46
Остались вопросы?
Еще вопросы по категории Геометрия
Угол 70 градусов это острый или тупой?...
Полупериметр параллелограмма равен 26 см, а сумма двух сторон - 22см. Найдите стороны параллелограмма....
Сторона основания правильной треугольной призмы АВСА1В1С1 равна 5, а высота этой призмы 4√3. Найдите объем призмы АВСА1В1С1...
Радиус окружности, вписанной в правильный многоугольник, равен 8 см, а сторона многоугольника — 16 см. Найдите: 1) радиус окружности, описанной около...
Докажите что радиус окружности вписанной в прямоугольный Прямоугольный треугольник с катетами А и b гипотенузой C вычисляется по формуле r равно a+b-c...
Все предметы 
