Question

Determine a medida x no triângulo a seguir. *

a) 8

b) 7

c) 6

d) 5

e) 4

Answer 1

$\frac{x}{2} =\frac{30}{12}$

$x =\frac{30 \times 2}{12}$

$x =\frac{30}{6}$

x = 5