ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Polygons
Question 1
1.
How many diagonals does a decagon have?
  • 32
  • 36
  • 34
  • 35
  • 38
Question 2
2.
The value of each interior angle in an n-sided regular polygon is
  • [
    (2n - 4) x 90
    n
    		 ] °
  • (
    360
    n
    		 ) °
  • (
    n
    360
    		 ) °
  • [
    (2n - 4) x 180
    n
    		 ] °
Question 3
3.
Sum of the interior angles in a quadrilateral is
  • 390°
  • 365°
  • 375°
  • 370°
  • 360°
Question 4
4.
Sum of the interior angles in a nonagon is
  • 1265°
  • 1270°
  • 1290°
  • 1260°
  • 1275°
Question 5
5.
Identify the figure below
  • octagon
  • hexagon
  • pentagon
  • nonagon
  • quadrilateral
Question 6
6.
Sum of the interior angles in a pentagon is
  • 570°
  • 555°
  • 550°
  • 540°
  • 545°
Question 7
7.
How many sides does a pentagon have?
  • 6
  • 8
  • 4
  • 5
  • 3
Question 8
8.
How many diagonals does a quadrilateral have?
  • 4
  • 1
  • 3
  • 2
  • 0
Question 9
9.
A polygon with 10 sides is called a
  • octagon
  • heptagon
  • hexagon
  • decagon
  • quadrilateral
Question 10
10.
How many sides does a heptagon have?
  • 8
  • 7
  • 9
  • 6
  • 5