ICSE Board Practice

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ICSE Grade VII - Polygons
Question 1
1.
The number of diagonals in a regular polygon with n sides is
  • (
    n
    		) (
    n
    +
    3
    		)
    2
  • (
    n
    		) (
    n
    −
    2
    		)
    2
  • (
    n
    		) (
    n
    +
    2
    		)
    2
  • (
    n
    		) (
    n
    −
    1
    		)
    2
  • (
    n
    		) (
    n
    −
    3
    		)
    2
Question 2
2.
A polygon with 10 sides is called a
  • decagon
  • heptagon
  • pentagon
  • quadrilateral
  • hexagon
Question 3
3.
How many sides does a pentagon have?
  • 6
  • 2
  • 8
  • 4
  • 5
Question 4
4.
Sum of the interior angles in a nonagon is
  • 1260°
  • 1265°
  • 1275°
  • 1290°
  • 1270°
Question 5
5.
The value of each exterior angle in an n-sided regular polygon is
  • [
    (2n - 4) x 90
    n
    		 ] °
  • (
    n
    360
    		 ) °
  • (
    360
    n
    		 ) °
  • [
    (2n - 4) x 180
    n
    		 ] °
Question 6
6.
Identify the figure below
  • heptagon
  • circle
  • pentagon
  • hexagon
  • decagon
Question 7
7.
How many diagonals does a quadrilateral have?
  • 3
  • 0
  • 2
  • 1
  • 4
Question 8
8.
Sum of the interior angles in a heptagon is
  • 910°
  • 915°
  • 930°
  • 905°
  • 900°
Question 9
9.
How many diagonals does a pentagon have?
  • 4
  • 8
  • 3
  • 6
  • 5
Question 10
10.
How many sides does a triangle have?
  • 6
  • 3
  • 4
  • 0
  • 2