The diagonals of a rhombus bisect each other at __________ .
right angles
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
If an exterior angle of a regular polygon is 45°. then find the number of its sides.
If the interior angle of a regular polygon is 144°, then what is the number of its sides?
If the exterior angle of a regular polygon is 72°, then what is the number of sides of the polygon?