ICSE Board Practice

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ICSE Grade IX - Polygons
Question 1
1.
Sum of the interior angles in a nonagon is
  • 1275°
  • 1270°
  • 1260°
  • 1290°
  • 1265°
Question 2
2.
Identify the figure below
  • pentagon
  • angle
  • quadrilateral
  • octagon
  • triangle
Question 3
3.
Which of the following figures is a regular quadrilateral?
  • square
  • parallelogram
  • rhombus
  • trapezium
  • rectangle
Question 4
4.
Identify the figure below
  • heptagon
  • circle
  • octagon
  • quadrilateral
  • angle
Question 5
5.
Identify the figure below
  • angle
  • triangle
  • parallelogram
  • square
  • trapezium
Question 6
6.
Two adjacent angles of a parallelogram EFGH are in the ratio 15 : 75. Find the measure of each of its angles.
  • E
    =
    29°
    ,
    F
    =
    148°
    ,
    G
    =
    31°
    ,
    H
    =
    152°
  • E
    =
    31°
    ,
    F
    =
    149°
    ,
    G
    =
    32°
    ,
    H
    =
    148°
  • E
    =
    30°
    ,
    F
    =
    150°
    ,
    G
    =
    30°
    ,
    H
    =
    150°
  • E
    =
    32°
    ,
    F
    =
    149°
    ,
    G
    =
    28°
    ,
    H
    =
    151°
  • E
    =
    28°
    ,
    F
    =
    152°
    ,
    G
    =
    29°
    ,
    H
    =
    151°
Question 7
7.
Identify the figure below
  • rhombus
  • trapezium
  • kite
  • rectangle
  • circle
Question 8
8.
How many diagonals does a quadrilateral have?
  • 1
  • 4
  • 0
  • 3
  • 2
Question 9
9.
The value of the interior angle in a regular polygon when the exterior angle is given
  • 360°- (exterior angle)
  • 180°+ (exterior angle)
  • 90°+ (exterior angle)
  • 180°- (exterior angle)
Question 10
10.
Identify the figure below
  • circle
  • nonagon
  • angle
  • quadrilateral
  • hexagon