Math, asked by ektayadav56, 9 months ago

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Answered by Anonymous
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Step-by-step explanation:

By Joining Q and S in the given figure we get two triangles PQS and QRS.

The sum of all angles of a triangle is 180 degree.

So,the sum of all angles of triangles PQS and QRS = 360 degree.

Therefore, angle P+ angle Q+ angle R+ angle S = 360 degree. Proved.

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