1. AB = BC = AC, MA = MB = MC = 13, d(M, AB) = 12, Me ABC. Найдите площадь ABC.
2. ABCD - квадрат,
MA = MB = MC = MD = 10, AB= 6/2, M ∉ ABC.
Найдите d (M, AB).
3. ABCD - квадрат, MA ⟂ ABC, MA = 9,
AB = 12.
Найдите d (M, DC).

4. MC ⟂ ABC, MC = 2, ∠ACB = 90°, AC = 6, BC = 8.
Найдите d (M, AB).

5. MC ⟂ ABC, AC = 13, BC = 15, AB = 14,
MC = 16.
Найдите d (M, AB).