CBSE Class 9 Constructions MCQ New

## CBSE Class 9 Constructions MCQ By Clarify Knowledge

CBSE Class 9 Constructions MCQ New Pattern 2022

## CBSE Class 9 Constructions MCQ Table

Question 1.
If a, b and c are the lengths of the three sides of a triangle, then which of the following is true?
(a) a + b < c
(b) a – b < c
(c) a + b = cAnswer

Question 2.
With the help of a ruler and compasses, which of the following is not possible to construct?
(a) 70°
(b) 60°

Question 3.
Which of the following sets of angles can be the angles of a triangle?
(a) 30°, 60°, 80°
(b) 40°, 60°, 70°

Question 4.
The construction of the triangle ABC is possible if it is given that BC = 4 cm, ∠C = 60° and the difference of AB and AC is
(a) 3.5 cm
(b) 4.5 cm
(c) 3 cm

Question 5.
Which of the following can be the length of BC required to construct the triangle ABC such that AC = 7.4 cm and AB = 5 cm?
(a) 3.5 cm
(b) 2.1 cm

Question 6.
If we want to construct a triangle, given its perimeter, then we need to know:
(a) Sum of two sides of triangle
(b) Difference between two sides of triangle
(c) One base angles

Question 7.
To construct a bisector of a given angle, we need:
(a) A ruler
(b) A compass
(c) A protractor

Question 8.
Which of the following set of lengths can be the sides of a triangle?
(a) 2 cm, 4 cm, 1.9 cm
(b) 1.6 cm, 3.7 cm, 5.3 cm
(c) 5.5 cm, 6.5 cm, 8.9 cm

Question 9.
Which of these angles cannot be constructed using ruler and compasses?
(a) 120
(b) 60
(c) 140

Question 10.
Which of the following angles can be constructed using ruler and compasses?
(a) 35
(b) 45
(c) 95

Question 11.
With the help of a ruler and compasses which of the following is not possible to construct?
(a) 120°
(b) 135°

Question 12.
If the construction of a triangle ABC in which AB = 6 cm, ∠A = 70° and ∠B = 40° is possible then find the measure of ∠c.
(a) 40°
(b) 70°

Question 13.
Which of the following set of lengths can be the sides of a triangle?
(a) 2 cm, 4 cm, 1.9 cm
(b) 5.5 cm, 6.5 cm, 8.9 cm
(c) 1.6 cm, 3.7 cm. 5.3 cmAnswer

Question 14.
The construction of a triangle ΔABC in which BC = 6 cm, ∠A = 50° is not possible, when difference of BC and AC is equal to
(a) 4.6 cm
(b) 6.4 cm

Question 15.
Which of the following angle can be constructed with the help of a ruler and a pair of compasses?
(a) 35°
(b) 40°
(c) 37.5°

Question 16.
To construct an angle of 60 degrees, we need to draw first:
(a) A ray
(b) An arc
(c) Two rays

Question 17.
The side lengths 4 cm, 4 cm and 4 cm can be sides of:
(a) Scalene Triangle
(b) Isosceles Triangle
(c) Equilateral Triangle

Question 18.
If a, b and c are the lengths of three sides of a triangle, then:
(a) a + b > c
(b) a – b > c
(c) a + b = c
(d) a – b = cAnswer

Question 19.
Which of these angles we cannot construct it using ruler and compasses?
(a) 120
(b) 70
(c) 60