# Maths MCQs for Class 9 with Answers Chapter 11 Constructions

Here you will find NCERT MCQ Questions for Class 9 Maths with Answers PDF Free Download based on the important concepts and topics given in the textbook as per CBSE new exam pattern. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Class 9 Maths. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

## Q.1 The bisector of an angle lies in its

(a) Interior
(b) On the arms of the angle
(c) Any where in the plane
(d) Exterior

(a) Interior

(a) 35
(b) 40
(c) 90
(d) 50

(c) 90

## Q.3 If two circles touches internally then distance between their centres is equal to

(b) not possible to determine
(d) none

(a) 35
(b) 45
(c) 95
(d) 55

(b) 45

## Q.5 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 = c
(d) a + b + c = 0

(b) a – b < c

(a) 70°
(b) 60°
(c) 135°
(d) 90°

(a) 70°

## Q.7 Which of these angles we cannot construct it using ruler and compasses?

(a) 120
(b) 70
(c) 60
(d) All can be constructed

(b) 70

## Q.8 The internal and external bisectors of an angle form a

(a) Acute angle
(b) Straight angle
(c) Right angle
(d) Reflex angle

(c) Right angle

(a) 35°
(b) 67.5°
(c) 82.5°
(d) 7.5°

(a) 35°

(a) 3.5 cm
(b) 4.5 cm
(c) 2.5 cm
(d) 3 cm

(b) 4.5 cm

(a) 120
(b) 60
(c) 140
(d) 135

(c) 140

(a) 15°
(b) 30°
(c) 45°
(d) 60°

(d) 60°

(a) a+b>c
(b) a-b>c
(c) a+b=c
(d) a-b=c

(a) a+b>c

(a) 7 cm
(b) 14 cm
(c) 20 cm
(d) 10 cm

(b) 14 cm

(a) 35°
(b) 55°
(c) 70°
(d) 110°

(b) 55°

## Q.16 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

(c) 5.5 cm, 6.5 cm, 8.9 cm

(a) Centroid
(b) Incentre
(c) Circumcentre
(d) Orthocentre

(b) Incentre

## Q.18 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
(d) Two base angles

(d) Two base angles

## Q.19 To construct a bisector of a given angle, we need:

(a) A ruler
(b) A compass
(c) A protractor
(d) Both ruler and compass

(d) Both ruler and compass

(a) BC
(b) AC
(c) AB
(d) none

(a) BC

## Class 9 Maths MCQs Multiple Choice Questions with Answers

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