Question

Diketahui: segitiga ABC,<A=2× derajat, <B=3×derajat dan <C =40 derajat. nilai × yaitu..??

Answer 1

Verified answer

A + B + C = 180
2x + 3x + 40 = 180
5x = 140
x = 28

Answer 2

Verified answer

< A = 2x°
< B = 3x°
< C = 40°

< A + < B + <C = 180°
2x° + 3x° + 40° = 180°
5x° + 40° = 180°
5x° = 180° - 40°
5x°= 140°
x = 140°/5
x = 28°

Jadi nilai x yaitu 28°