Question

Alguém me ajudaaaa, por favorrrrr

Answer 1

letra

y+140=180

y=180-140

y=40°

x+20+90=180

x=180-70

x=60°

y+z+129=180

z=180-(129+40)

z=180-169

z=11°


letra b

x+60+45=180

x+105=180

x=180-105

x=75°


y+75+45=180

y=180-120

y=60°



espero ter ajudado!

Answer 2

a)y=180-140

y=40

X=180-(20+90)

X=70

Z+20=180-(90+40)

Z=180-130-20

Z=30

b)X=180-[60+(180-135)]

X=180-[60+45}

X=180-105

X=75

Y=180 - [75+(180-135)]

Y=180-[75+45]

Y=180-120

Y=60