Class 8 Understanding Quadrilaterals CBSE Questions & Answers

Class 8 · Understanding Quadrilaterals

This is Mathematics Class 8 Understanding Quadrilaterals CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Find the measure of each exterior angle of a regular polygon of 15 sides.
  • A
    36\(^\circ \)
  • B
    24\(^\circ \)
    Correct
  • C
    30\(^\circ \)
  • D
    12\(^\circ \)
2
Given a parallelogram ABCD. OC = ......
Question 2 figure 1
  • A
    none of these
  • B
    OA
    Correct
  • C
    OD
  • D
    OB
3
A ______ is a line segment connecting two non-consecutive vertices of a polygon.
  • A
    none of these
  • B
    side
  • C
    angle
  • D
    diagonal
    Correct
4
The sum of the measures of the four angles of a quadrilateral is___________.
  • A
    none of these
  • B
    180\(^\circ \)
  • C
    360\(^\circ \)
    Correct
  • D
    90\(^\circ \)
5
The opposite angles of a parallelogram are of _________ measure.
  • A
    different
  • B
    not equal
  • C
    equal
    Correct
  • D
    none of these
6
A ________ is a parallelogram with equal angles.
  • A
    quadrilateral
  • B
    rectangle
    Correct
  • C
    None of these
  • D
    triangle
7
Find the value of the unknown x.
Question 7 figure 1
  • A
    none of these
  • B
    90\(^\circ \)
    Correct
  • C
    30\(^\circ \)
  • D
    60\(^\circ \)
8
Find the value of the unknown y.
Question 8 figure 1
  • A
    30\(^\circ \)
  • B
    120\(^\circ \)
  • C
    90\(^\circ \)
  • D
    60\(^\circ \)
    Correct
9
Find the value of the unknown z.
Question 9 figure 1
  • A
    100\(^\circ \)
  • B
    90\(^\circ \)
  • C
    60\(^\circ \)
    Correct
  • D
    120\(^\circ \)
10
Two adjacent angles of a parallelogram have equal measure. Find the measure of each of the angles of the parallelogram.
  • A
    none of these
  • B
    Each is a right angle.
    Correct
  • C
    Each is an obtuse angle.
  • D
    Each is an acute angle.
11
State the name of a regular polygon of 3 sides.
  • A
    quadrilateral
  • B
    none of these
  • C
    triangle
    Correct
  • D
    pentagon
12
Find the angle measure x in the following figure:
Question 12 figure 1
  • A
    120\(^\circ \)
  • B
    140\(^\circ \)
    Correct
  • C
    none of these
  • D
    45\(^\circ \)
13
How many sides does a regular polygon have if the measure of an exterior angle is 24\(^\circ \)?
  • A
    12
  • B
    10
  • C
    none of these
  • D
    15
    Correct
14
Given a parallelogram ABCD. \(\angle \)DAB + \(\angle \)CDA = ......
Question 14 figure 1
  • A
    360\(^\circ \)
  • B
    90\(^\circ \)
  • C
    none of these
  • D
    180\(^\circ \)
    Correct
15
The interior has a ________.
  • A
    side
  • B
    boundary
    Correct
  • C
    edge
  • D
    none of these