Question

Pfv me ajudem urgente

Answer 1

a) 133°=y
133°+x=180°
z=x

x=47°
y=133°
z=47°

b) x=38°
y+42°=180°
y=138°

x=38°
y=138°

c)x+96°=4x
3x=96°
x=32°

d) x+30°+3x+50°=180°
4x+80°=180°
4x=100°
x=25°
y=x+30°
y=25°+30°
y=55°
z=3x+50°
z=3×25°+50°
z=75°+50°
z=125°

x=25°
y=55°
z=125°