Помогите пожалуйста с геометрией)
1) AP = sqrt (SA^2-SP^2) = sqrt (64-36) = sqrt (28) = 2sqrt(7) 2) AB = 2*AP = 2*2sqrt(7) = 4sqrt(7) 3) Pосн = 5*AB = 5*4sqrt (7) = 20sqrt (7) 4) Sб.п. = 1/2 Pосн *SP = 1/2 * 20sqrt (7)*6 = 60sqrt (7) (см^2)