Question

×+×+20=90 geometria medida dos ângulos

Answer 1

x+x=90-20
2x=70
x=70/2
x=35

espero ajudar ♥

Answer 2

x + x + 20 = 90
2x + 20 = 90
2x = 90 - 20
2x = 70
x = 70/2
x = 35

Resp.: x = 35