ICSE Board Practice

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ICSE Grade VIII - Polygons
Question 1
1.
The value of the exterior angle in a regular polygon when the interior angle is given
  • 360°- (interior angle)
  • 180°- (interior angle)
  • 90°+ (interior angle)
  • 180°+ (interior angle)
Question 2
2.
A polygon with 9 sides is called a
  • hexagon
  • heptagon
  • decagon
  • pentagon
  • nonagon
Question 3
3.
Sum of the interior angles in a nonagon is
  • 1260°
  • 1290°
  • 1275°
  • 1270°
  • 1265°
Question 4
4.
How many sides does an octagon have?
  • 8
  • 7
  • 9
  • 11
  • 5
Question 5
5.
Identify the figure below
  • hexagon
  • angle
  • triangle
  • circle
  • pentagon
Question 6
6.
Identify the figure below
  • rectangle
  • trapezium
  • square
  • kite
  • angle
Question 7
7.
Identify the figure below
  • angle
  • octagon
  • pentagon
  • decagon
  • hexagon
Question 8
8.
How many diagonals does a decagon have?
  • 38
  • 33
  • 35
  • 36
  • 34
Question 9
9.
How many diagonals does a quadrilateral have?
  • 0
  • 2
  • 1
  • 4
  • 3
Question 10
10.
How many sides does a decagon have?
  • 11
  • 8
  • 9
  • 12
  • 10