Properties of polygon. Mathematics CBSE, Class 8: lessons, tests, tasks.

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1.	Interior angle sum property of a quadrilateral
2.	Interior angle sum property of polygons
3.	Exterior angle property of the polygons

1.	Determine the interior angle of a triangle Difficulty: easy	2
2.	The exterior angles of polygon Difficulty: hard	2
3.	Calculate the interior angle of a quadrilateral Difficulty: easy	3
4.	Find out the sum of interior angles Difficulty: easy	3
5.	Write the measure of each exterior angle Difficulty: easy	3
6.	Estimate the exterior angle of atriangle Difficulty: medium	3
7.	Match the formula and solve the problems based on interior and exterior angle property Difficulty: medium	4
8.	Evaluate the unknown angle of a quadrilateral Difficulty: medium	4
9.	Determine the interior angle and number of sides of polygon Difficulty: medium	4
10.	Calculate the unknown value Difficulty: medium	1
11.	Solve and find the angles Difficulty: hard	5
12.	Find unknown angle and verify angle sum property of the provided polygon Difficulty: hard	5
13.	Estimate the unknown value Difficulty: hard	5

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Training test

Difficulty: medium

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Methodical recommendation

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