Question

Explain the following
(a) Simple curve
(b) Simple closed curve
(c) Polygon
(d) Convex polygon
(e) Concave polygon​

Answer 1

Answer:

1. A curve is said to be simple if it does not cross itself.

2. A simple closed curve is that curve which forms a path which starts and ends at the same point.

3. A polygon is a two dimensional closed figure which consists of sides and vertices.

4. A polygon in which the measure of each interior angle is less than 180

o

is called as a convex polygon.

5. A polygon in which the measure of one interior angle is greater than 180

o

is called as a concave polygon.