# MCQ Questions for Class 9 Maths Chapter 11 Constructions with Answers

## MCQ Questions for Class 9 Maths Chapter 11 Constructions with Answers

MCQs from Class 9 Maths Chapter 11 – Constructions are provided here to help students prepare for their upcoming Maths exam.

MCQs from CBSE Class 9 Maths Chapter 11: Constructions

1) Which of the following angles can be constructed using ruler and compass?
a. 35
b. 40
c. 90
d. 50

Explanation: See the figure below:

∠POA = 90

2) Which of the following angles can be constructed using ruler and compasses?
a. 35
b. 45
c. 95
d. 55

Explanation: See the figure below:

ROA = 45

3) Which of these angles we cannot construct it using ruler and compasses?
a. 120
b. 70
c. 60
d. All can be constructed

4) Which of these angles cannot be constructed using ruler and compasses?
a. 120
b. 60
c. 140
d. 135

5) 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=c

Explanation: The sum of two sides of a triangle is always greater than the third side.

6) 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
d. None of the above

7) The side lengths 4cm, 4cm and 4cm can be sides of:
a. Scalene Triangle
b. Isosceles Triangle
c. Equilateral Triangle
d. None of the above

Explanation: Equilateral triangle has all its three sides equal.

8) To construct a bisector of a given angle, we need:
a. A ruler
b. A compass
c. A protractor
d. Both ruler and compass

9) To construct an angle of 60 degrees, we need to draw first:
a. A ray
b. An arc
c. Two rays
d. A straight line