We have compiled the NCERT MCQ Questions for Class 7 Maths Chapter 5 Lines and Angles with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 7 Maths with Answers on a daily basis and score well in exams. Refer to the Lines and Angles Class 7 MCQs Questions with Answers here along with a detailed explanation.
Lines and Angles Class 7 MCQs Questions with Answers
Choose the correct option.
Question 1.
The measure of the complement of the angle 40° is
(a) 15°
(b) 40°
(c) 50°
(d) 140°
Answer
Answer: (c) 50°
Question 2.
When the sum of the measures of two angles is 90°, the angles are called
(a) adjacent angles
(b) complementary angles
(c) vertically opposite angles
(d) supplementary angles
Answer
Answer: (b) complementary angles
Question 3.
Which of the following pairs can form a linear pair?
(a) Pair of complementary angles
(b) Pair of supplementary angles
(c) Pair of adjacent angles
(d) Pair of vertically opposite angles
Answer
Answer: (b) Pair of supplementary angles
Question 4.
If a transversal intersects two parallel lines then the interior angles on the same side of the transversal are
(a) vertically opposite angles
(b) supplementary angles
(c) complementary angles
(d) alternate angles
Answer
Answer: (b) supplementary angles
Question 5.
Which pair of the following angles are complementary?
Answer
Answer: (d)
Question 6.
Which of the following is false
(a) ∠1 = ∠2
(b) ∠2 = ∠4
(c) ∠2 + ∠3 = 180°
(d) ∠3 + ∠4 = 180°
Answer
Answer: (a) ∠1 = ∠2
Question 7.
Which angle is complementary to ∠CBD?
(a) ∠FBC
(b) ∠EBF
(c) ∠ABC
(d) ∠DBE
Answer
Answer: (d) ∠DBE
Question 8.
In the given figure, the value of a is
(a) 35°
(b) 45°
(c) 55°
(d) 110°
Answer
Answer: (c) 55°
Question 9.
Find the value of x in the following figure if l || m
(a) 30°
(b) 50°
(c) 60°
(d) 90°
Answer
Answer: (c) 60°
Question 10.
In the given figure l || m. Find the measure of ‘x’.
(a) 120°
(b) 60°
(c) 45°
(d) 30°
Answer
Answer: (b) 60°
Question 11.
The sum of two complementary angles is:
(a) 90°
(b) 180°
(c) 360°
(d) Any angle between 180° and 360°
Answer
Answer: (c) Water
Question 12.
The sum of two supplementary angles is:
(a) 90°
(b) 180°
(c) 360°
(d) Any angle between 180° and 360°
Answer
Answer: (c) Water
Look at the following figures and fill in the blanks
Question 1.
x° = ………………..
Answer
Answer: 20°
Question 2.
x° = ………………..
Answer
Answer: 15°
Question 3.
∠x = ∠y = ……………..
Answer
Answer: 30°
Question 4.
If p and q are parallel lines then ∠1 + ∠2 = ……………..
Answer
Answer: 180°
Question 5.
Two angles are said to be …………………. if the sum of their measures is 90°.
Answer
Answer: Complementary
Question 6.
Two angles are said to be …………………. if the sum of their measures is 180°.
Answer
Answer: Supplementary
Question 7.
The complement of 15° is ………………….
Answer
Answer: 75°
Question 8.
The …………………. of 10° is 170°.
Answer
Answer: Supplement
Question 9.
The sum of two angles in a linear pair is ………………….
Answer
Answer: 180°
Question 10.
Two adjacent angles have a common …………………. and a common vertex.
Answer
Answer: arm
Question 11.
Two …………………. adjacent angles form a linear pair.
Answer
Answer: Supplementary
Question 12.
If the sum of the measures of two angles is 90°, then each one of them is the …………………. of the other.
Answer
Answer: Complement
Question 13.
Parallel lines are always …………………. [equal/equidistant]
Answer
Answer: Equidistant
Question 14.
If two parallel lines are intersected by a transversal, then a pair of alternate angles are …………………. [equal/complementary]
Answer
Answer: equal
Match the following
Answer
Answer:
a. → (iii)
b. → (iv)
c. → (ii)
d. → (i)
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