MEDIUM
8th CBSE
IMPORTANT
Earn 100

Prove that the exterior angle of a regular decagon is one-third the interior angle of a regular pentagon.

Important Questions on Polygons

MEDIUM
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 3 - Polygons>WARM UP>Q 2
If the sum of the exterior angles of a triangle whose sides are produced in order, is x°, then find the value of x.
EASY
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 3 - Polygons>EXERCISE>Q 1

Classify the following curve as open or closed.

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EASY
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 3 - Polygons>EXERCISE>Q 1

Classify the following curve as open or closed.

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EASY
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 3 - Polygons>EXERCISE>Q 5

What is the number of diagonals in a polygon of 20 sides.

MEDIUM
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 3 - Polygons>EXERCISE>Q 10

Find the angle measure of x in the given figure:

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MEDIUM
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 3 - Polygons>EXERCISE>Q 10

Find the angle measure x in each of the following figures.

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MEDIUM
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 3 - Polygons>EXERCISE>Q 10

Find the angle measure x in the given figure:

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MEDIUM
8th CBSE
IMPORTANT
Number Magic a textbook of Mathematics 8>Chapter 3 - Polygons>EXERCISE>Q 10

Find the angle measure x in each of the following figures.

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