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12. In the given figure, find the sum of the anglesPQR, ORS, RST, STP and TPQ​

Answer»

Hey Buddy

Here's The Answer

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According to figure we'll have to find the sum of all angles of the polygon.

So, Here's the master formula to find sum of all interior angles of any polygon

=> Sum of all interior angles = ( n - 2 ) × 180°

Where n is number of SIDES of polygon.

In this CASE, n = 5

=> Sum of all INTERIOR angles = ( 5 - 2 ) × 180°

=> Sum of all interior angles = 3 × 180°

=> Sum of all interior angles = 540°

Hope It Helps.


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