Question

Num triângulo as medidas dos seus ângulos internos sao

A) ×+30°

B)2×+15°

C) ×-60°​

Answer 1

A) 180° - 30° = 150°/2 = 75°

B) 180° - 15° = 165° ---> 165/2 = 82.5° ----> X= 82.5° 2X=165°

C) 180° - 60° = 120°/2 = 60°