Question

calcule o valor de x na figura

Answer 1

2X+10°+X+2X-10°=180°
4X=180°
X= 180°/4
X= 45°


2X+10°=
2.45°+10°=
90°+10°=
100°

2X-10°=
2.45°-10°=
90°-10°=
80°