CBSE Class 8 Answered
1) Number of sides of regular polygon with an interior angle 150 is _______
2) Interior angle of a regular polygon with 20 sides is ____
Asked by biswajitpatel88 | 10 May, 2024, 10:49: AM
Expert Answer
1)
The sum of the interior angles of a regular polygon with 'n' sides is always (n-2) × 180°
(n-2) × 180 = (n) × 150
hence, no. of sides = 12
2)
Now,
(n-2) × 180 = (n) × interior angle
(20-2) × 180 = (20) × interior angle
Interior angle = 162°
Answered by Arun | 10 May, 2024, 12:48: PM
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