Question

a) 36
b) 18
c) 9
d)24​

Answer 1

FORMULA DE ANGULO FORMADO POR DOS BISECTRICES INTERIORES

$3x = 90 + \frac{x}{2} \\ 3x - \frac{x}{2} = 90 \\ \frac{5x}{2} = 90 \\ 5x = 90 \times 2 \\ 5x = 180 \\ x = \frac{180}{5} \\ x = 36$