ICSE Board Practice

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ICSE Grade VII - Polygons

Question 1

1.	Find the number of sides in a regular polygon if each interior angle is 108°
	4 5 3 6 8

Question 2

2.	The number of diagonals in a regular polygon with n sides is
	( n ) ( n + 3 ) 2 ( n ) ( n − 3 ) 2 ( n ) ( n − 2 ) 2 ( n ) ( n + 2 ) 2 ( n ) ( n − 1 ) 2

Question 3

3.	How many diagonals does a decagon have?
	32 34 38 36 35

Question 4

4.	A polygon with 8 sides is called an
	octagon nonagon triangle heptagon pentagon

Question 5

5.	Identify the figure below
	hexagon decagon heptagon octagon pentagon

Question 6

6.	A polygon with 10 sides is called a
	triangle quadrilateral pentagon octagon decagon

Question 7

7.	Sum of the interior angles in a nonagon is
	1290° 1260° 1275° 1270° 1265°

Question 8

8.	How many diagonals does a pentagon have?
	8 4 2 5 6

Question 9

9.	How many sides does a nonagon have?
	8 6 11 9 10

Question 10

10.	Identify the figure below
	triangle circle quadrilateral nonagon hexagon

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