Question

In the given figure, ifx+y=w+z, then prove that
AOB is a line.​

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

x+y+z+w = 360.

( Sun of all angles is 360°)

It's given that x+y = w+z

x+y+x+y = 360°

2(x+y) = 360°

x+y = 360 / 2

x+y = 180°

Since x and y form a linear pair , therefore AOB is a line . ( PROVED )