ICSE Board Practice

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ICSE Grade VIII - Polygons

Question 1

1.	The value of the interior angle in a regular polygon when the exterior angle is given
	90°+ (exterior angle) 360°- (exterior angle) 180°- (exterior angle) 180°+ (exterior angle)

Question 2

2.	Which of the following figures is a regular quadrilateral?
	trapezium rectangle parallelogram square rhombus

Question 3

3.	Sum of the interior angles in a decagon is
	1440° 1445° 1450° 1470° 1455°

Question 4

4.	A polygon with 7 sides is called a
	pentagon heptagon decagon quadrilateral nonagon

Question 5

5.	Identify the figure below
	circle triangle kite parallelogram trapezium

Question 6

6.	How many sides does a heptagon have?
	7 5 8 6 9

Question 7

7.	How many diagonals does a pentagon have?
	4 5 6 7 2

Question 8

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

Question 9

9.	The value of each exterior angle in an n-sided regular polygon is
	( n 360 ) ° ( 360 n ) ° [ (2n - 4) x 180 n ] ° [ (2n - 4) x 90 n ] °

Question 10

10.	Sum of the interior angles in a heptagon is
	930° 905° 915° 900° 910°

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