Question

me ayudan plis, doy coronita​

Answer 1

Respuesta:

AB = 12

MA = x

BC = 16

BN= 7

Proporcionalidad (MN // AC)

BM/MA = BN/NC

(12-x)/x = 7/(16-7)

(12-x)/x = 7/9

12(9) -9x = 7x

12(9) = 16x

3(9)/4 = x

27/4 = x