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UPTET 2017 Paper-1 (Hindi - English/Sanskrit) Hinglish Solution

- 450°
- 180°
- 360°
- 540°

Option 4 : 540°

Ace your Quantitative Aptitude and Geometry preparations for Quadrilaterals with us and master Polygon for your exams. Learn today!

We know that,

Sum of all the interior angles of a polygon = (n – 2)π, where n is the number of side in the polygon.

In pentagon, n = 5

⇒ Sum of all the interior angles of a pentagon = (5 – 2)π = 3 × 180°

= 540°
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