Pierakstīties
Mathematics for IGCSE & O level - Angles (Section 3 - No. 31)
In a regular polygon, if each interior angle is 135°, how many sides does the polygon have?
6
8
10
12
Paskaidrojums
Exterior angle = 180 - 135 = 45. Number of sides = 360 / 45 = 8.
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