Class 7 Lines And Angles CBSE Questions & Answers

Class 7 · Lines And Angles

This is Mathematics Class 7 Lines and Angles CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
If two lines intersect at a point, then the vertically opposite angles are always ________
  • A
    supplementary
  • B
    equal
    Correct
  • C
    unequal
  • D
    None of these
2
Two angles forming a linear pair are ________________.
  • A
    supplementary
    Correct
  • B
    None of these
  • C
    complimentary
  • D
    equal
3
A line that intersects two or more lines at distinct points is called
  • A
    transversal
    Correct
  • B
    parallel
  • C
    None of these
  • D
    intersecting
4
If two adjacent angles are supplementary, then they form _________ .
  • A
    a linear pair of angles
    Correct
  • B
    a ray
  • C
    Corresponding angles
  • D
    vertically opposite angles
5
If two angles are supplementary then the sum of their measures is ___________ .
  • A
    45\(^\circ \)
  • B
    360\(^\circ \)
  • C
    90\(^\circ \)
  • D
    180\(^\circ \)
    Correct
6
If two angles are complementary, then the sum of their measures is __________.
  • A
    90\(^\circ \)
    Correct
  • B
    360\(^\circ \)
  • C
    45\(^\circ \)
  • D
    180\(^\circ \)
7
If l\(\parallel \)m , then \(\angle \)1= \(\angle \)2 because they are ________.
Question 7 figure 1
  • A
    vertically opposite angles
  • B
    corresponding angles
  • C
    supplementary angles
  • D
    alternate interior angles
    Correct
8
In figure pair of alternate interior angles are:
Question 8 figure 1
  • A
    \(\angle \)2, \(\angle \)5
  • B
    None of these
  • C
    \(\angle \)1, \(\angle \)2
  • D
    \(\angle \)2, \(\angle \)3
    Correct
9
If two parallel lines are cut by a transversal, each pair of the corresponding angles are _________ in measure.
  • A
    complimentary
  • B
    supplementary
  • C
    unequal
  • D
    equal
    Correct
10
Line a\(\parallel \)b, c is a transversal then \(\angle \) y =?
Question 10 figure 1
  • A
    125\(^\circ \)
  • B
    90\(^\circ \)
  • C
    180\(^\circ \)
  • D
    55\(^\circ \)
    Correct
11
Line a\(\parallel \)b, c is a transversal then \(\angle \) y =?
Question 11 figure 1
  • A
    180\(^\circ \)
  • B
    90\(^\circ \)
  • C
    55\(^\circ \)
    Correct
  • D
    125\(^\circ \)
12
In figure pair of alternate exterior angles are:
Question 12 figure 1
  • A
    \(\angle \)1, \(\angle \)5
  • B
    \(\angle \)1, \(\angle \)4
    Correct
  • C
    \(\angle \)1, \(\angle \)2
  • D
    None of these
13
The difference in the measures of two complementary angles is 12\(^\circ \). Find the measures of the angles.
  • A
    51\(^\circ \) and 49\(^\circ \)
  • B
    51\(^\circ \) and 39\(^\circ \)
    Correct
  • C
    50\(^\circ \) and 40\(^\circ \)
  • D
    None of these
14
What is the measure of the complement of 45\(^\circ \)?
  • A
    None of these
  • B
    55\(^\circ \)
  • C
    45\(^\circ \)
    Correct
  • D
    65\(^\circ \)
15
What is the measure of the complement of 65\(^\circ \)?
  • A
    65\(^\circ \)
  • B
    55\(^\circ \)
  • C
    45\(^\circ \)
  • D
    25\(^\circ \)
    Correct