3 years ago

Find value of unknown angle(s) and state reason/theorem why

Mathematics

1 answer:

Anna71 [15]3 years ago

3 0

Y=90° by inspection
w=180-(50+y)=160-(50+90)=40°
x=180-(w+x)=180-(40+97)=43°
z=180-(x+90)=180-(43+90)=47°

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