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
The sum of the measures of the external angles of any polygon is _________.
  • A
    90\(^\circ \)
  • B
    None of these
  • C
    360\(^\circ \)
    Correct
  • D
    180\(^\circ \)
2
The ________ in a parallelogram are supplementary.
  • A
    none of these
  • B
    adjacent angles
    Correct
  • C
    adjacent sides
  • D
    opposite angles
3
The diagonals of a _______ are of equal length.
  • A
    triangle
  • B
    rectangle
    Correct
  • C
    none of these
  • D
    pentagon
4
Find the value of the unknown x.
Question 4 figure 1
  • A
    100\(^\circ \)
    Correct
  • B
    90\(^\circ \)
  • C
    80\(^\circ \)
  • D
    70°\(^\circ \)
5
Find the value of the unknown y.
Question 5 figure 1
  • A
    100\(^\circ \)
  • B
    60\(^\circ \)
  • C
    80\(^\circ \)
    Correct
  • D
    120\(^\circ \)
6
Find the value of the unknown z.
Question 6 figure 1
  • A
    100\(^\circ \)
  • B
    80\(^\circ \)
    Correct
  • C
    none of these
  • D
    90\(^\circ \)
7
The following figure HOPE is a parallelogram. Find the angle measure x.
Question 7 figure 1
  • A
    40\(^\circ \)
  • B
    none of these
  • C
    110\(^\circ \)
    Correct
  • D
    30\(^\circ \)
8
The following figure HOPE is a parallelogram. Find the angle measure y.
Question 8 figure 1
  • A
    50\(^\circ \)
  • B
    30\(^\circ \)
  • C
    40\(^\circ \)
    Correct
  • D
    110\(^\circ \)
9
The following figure HOPE is a parallelogram. Find the angle measure z.
Question 9 figure 1
  • A
    60\(^\circ \)
  • B
    110\(^\circ \)
  • C
    30\(^\circ \)
    Correct
  • D
    50\(^\circ \)
10
State the name of a regular polygon of 4 sides.
  • A
    heptagon
  • B
    hexagon
  • C
    quadrilateral
    Correct
  • D
    pentagon
11
Find x + y + z + w.
Question 11 figure 1
  • A
    None of these
  • B
    180\(^\circ \)
  • C
    30\(^\circ \)
  • D
    360\(^\circ \)
    Correct
12
Find x + y.
Question 12 figure 1
  • A
    none of these
  • B
    360\(^\circ \)
  • C
    180\(^\circ \)
  • D
    160\(^\circ \)
    Correct
13
Find x + z.
Question 13 figure 1
  • A
    none of these
  • B
    360\(^\circ \)
  • C
    180\(^\circ \)
    Correct
  • D
    300\(^\circ \)
14
Find y + z.
Question 14 figure 1
  • A
    220\(^\circ \)
    Correct
  • B
    180\(^\circ \)
  • C
    none of these
  • D
    360\(^\circ \)
15
Find x + w.
Question 15 figure 1
  • A
    360\(^\circ \)
  • B
    none of these
  • C
    140\(^\circ \)
    Correct
  • D
    180\(^\circ \)