ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade IX - Polygons
Question 1
1.
Identify the figure below
  • heptagon
  • nonagon
  • angle
  • pentagon
  • octagon
Question 2
2.
Sum of the interior angles in a quadrilateral is
  • 360°
  • 370°
  • 365°
  • 390°
  • 375°
Question 3
3.
Identify the figure below
  • quadrilateral
  • nonagon
  • hexagon
  • circle
  • triangle
Question 4
4.
How many diagonals does an octagon have?
  • 21
  • 19
  • 22
  • 18
  • 20
Question 5
5.
Identify the figure below
  • quadrilateral
  • angle
  • octagon
  • heptagon
  • nonagon
Question 6
6.
The value of the interior angle in a regular polygon when the exterior angle is given
  • 360°- (exterior angle)
  • 90°+ (exterior angle)
  • 180°- (exterior angle)
  • 180°+ (exterior angle)
Question 7
7.
Sum of the interior angles in a hexagon is
  • 750°
  • 720°
  • 725°
  • 730°
  • 735°
Question 8
8.
How many diagonals does a decagon have?
  • 38
  • 34
  • 35
  • 33
  • 36
Question 9
9.
How many diagonals does a heptagon have?
  • 13
  • 15
  • 12
  • 14
  • 17
Question 10
10.
Identify the figure below
  • angle
  • nonagon
  • triangle
  • pentagon
  • hexagon