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Polygons

Understanding Quadrilaterals
Maths
Class 8

Overview

Define a polygon. Define sides, vertices and diagonals of a polygon. Name polygons having 3 to 10 sides. Define Convex, concave, regular and irregular Polygons.

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Curves

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Polygons and its Types

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Related Questions to study

Explain how a square is:
(i) a quadrilateral (ii) a parallelogram (iii) a rhombus (iv) a rectangle

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The ratio between the interior angle and the exterior angle of a regular polygon is . Find:
number of sides in the polygon.

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Examine whether the following figures are polygons. Give reasons.

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How many diagonals does a triangle have?

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In a regular polygon, the exterior and interior angles are in the ration . The number of sides of the polygon is

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Identify the number of polygons from the given figures?

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Find the number of sides of a regular polygon if each exterior angle is equal to half its adjacent interior angle

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Identify closed curve.

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Classify the following curve as open or closed:

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Polygons that have any portions of their diagonals in their exterior are called

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