﻿ 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 from Mathematics Understanding Quadrilaterals Class 8 Manipur Board

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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

Solution: (a) Simple curves are: (1), (2), (5), (6) and (7).

(b) Simple closed curves are: (1), (2), (5), (6) and (7).

(c) Polygons are: (1), (2) and (4).

(d) Convex polygon is: (2).

(e) Convex polygons are (1) and (4).

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All sides of a __________ are equal and all angles are right angles.

square

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A square has sides of equal length and angels of equal measure, so it is a __________ polygon.

regular

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A rhombus is a quadrilateral with __________ of equal length.

sides

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All angles of rectangle are equal and are __________ angles.

right

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The diagonals of a rhombus bisect each other at __________ .

right angles

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