Question

Given here are some figures. (1) (2) (3) (4) (5) (6) (7) (8) 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

Answer 1

Answer:

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

(a) Simple curve →1,2,5,6,7

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

(b) Simple closed curve →1,2,5,6,7

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

(c) Polygon →1,2

A polygon in which the measure of each interior angle is less than 180o is called as a convex polygon.

(d) Convex polygon →2

A polygon in which the measure of one interior angle is greater than 180o is called as a concave polygon.

(e) Concave polygon →1

Answer By

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