Question

Помогите пж даю 50 баллов¡!!!!!!!!! ​

Answer 1

Ответ:

По свойству касательных и окружности MB = BN = 12, AM = AK = 8, CK = CN = X, AB = 20

(X + 12)^2 + (X + 8)^2 = 400

X^2 + 20X - 96 = 0

D = 784

X1 = 4

X2 < 0

AC = 8 +4 = 12

BC = 12 + 4 = 16