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प्रश्न
What is the sum of all the angles of a pentagon?
विकल्प
180°
360°
540°
720°
MCQ
उत्तर
540°
Explanation:
We know that, the sum of angles of a polygon is (n – 2) × 180°, where n is the number of sides of the polygon.
In pentagon, n = 5
Sum of the angles = (n – 2) × 180°
= (5 – 2) × 180°
= 3 × 180°
= 540°
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