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11 Aug 2025, 09:23
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C
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The exterior angle of a regular polygon is 90° less than its interior angle. Find its interior and exterior angles.
(A) 150°; 30° (B) 140°; 40°
(C) 135°; 45° (D) 108°; 72°
(A) 150°; 30° (B) 140°; 40°
(C) 135°; 45° (D) 108°; 72°
26 Sep 2025, 19:30
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interrior angle + exterior angle = 180°
from data given
exterior angle is less than interior angle by 90°
hence i=135°, e = 45°
from data given
exterior angle is less than interior angle by 90°
hence i=135°, e = 45°
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File comment: polygon interior angle, exterior angle
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