CDS || Elementary Mathematics || Polygon || Quiz

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Question 1

If be an interior angle of a regular octagon then find the value of

• A1
• B-1
• C
• D

Question 2

If each interior angle of a regular polygon is 140^o, then the number of vertices of the polygon is equal to

• A10
• B9
• C8
• D7

Question 3

A polygon has 135 diagonals. Then the number of sides of that polygon is

• A12
• B18
• C15
• D20

Question 4

If each side of a regular octagon is 5 cm then find its area?

• A
• B
• C
• DNone of these

Question 5

If the ratio of the number of sides of two regular polygons is 1 : 2 and the ratio between their interior angles is 2 : 3 . What is the sum of the sides of both the :

• A18
• B15
• C12
• D21

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