Question

please post the answer as fast as you can if you answer I'll follow you
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Answer 1

Step-by-step explanation:

x+y=w+z

x+y=w+z=360° angles around a point

x+y+x+y=360

2(x+y)=360

x+y=180

w+z=180

since the sum of angles is 180 aob is a line

hence proved

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