If the exterior angle of a regular polygon is 72°, then what is the number of sides of the polygon?
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If the interior angle of a regular polygon is 144°, then what is the number of its sides?
If an exterior angle of a regular polygon is 45°. then find the number of its sides.
The diagonals of a rhombus bisect each other at __________ .
Given here are some figures.
Classify each of them on the basis of the following.
(a) Simple curve
(b) Simple closed curve
(c) Polygon
(d) Convex polygon
(e) Concave polygon