Question

Na figura abaixo, OP é bissetriz

Answer 1

x+30 = y-10
x-y = -30-10
x-y = -40
y-x = 40 --> y = 40+x

2y+y-10+x+30 = 180
3y+x = 180+10-30
3y+x = 160
3(40+x)+x = 160
120+3x+x = 160
4x = 160-120
4x = 40
x = 40/4
x = 10
y = 40+x
y = 40+10
y = 50

x = 10, y = 50 (e)