Exams › SSC CGL (Prelims) › Maths

What is the sum of the interior angles of a pentagon?

1. 360°
2. 540°
3. 720°
4. 900°

Correct answer: 540°

Solution

The sum of interior angles of an n-sided polygon is (n - 2) × 180°. For a pentagon, this becomes (5 - 2) × 180° = 540°.

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