Question

calcule o valor dos angulos complementares A e B, sendo que, A = 3x +40 e B = 2x + 40

Answer 1

A soma de A e B = 90⁰

3x+40+2x+40 = 90
5x+80= 90
5x= 90-80
5x=10
x=10/5
x=2

A=3*2+40
A=46⁰

B=2*2+40
B=44⁰