MCQs Questions for Class 9 Maths Chapter 11 Constructions

# MCQs Questions for Class 9 Maths Chapter 11 Constructions

## MCQs Questions for Class 9 Maths Chapter 11 Constructions

In this 21st century, Multiple Choice Questions (MCQs) play an important role to prepare for a competitive examination. Now-a-days, MCQs questions are asked in CBSE board examinations as well. In most of the competitive examinations, only MCQ Questions are asked.

In future, if you want to prepare for competitive examination, then you should focus on the MCQs questions. Thus, let’s solve these MCQs questions to make our foundation strong.

In this post, you will find 15 MCQs questions for class 9 maths chapter 11 constructions.

## MCQs Questions for Class 9 Maths Chapter 11 Constructions

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

2. 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
(d) 2.5 cm

## 3. If two circles touch internally, then the distance between their centres is equal to

(b) not possible to determine
(d) none

4. 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

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

## 6. With the help of a ruler and compasses, which of the following is not possible to construct?

(a) 70°
(b) 60°
(c) 135°
(d) 90°

7. 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

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

## 9. An external bisector of an angle measuring 70° will divide the angle into two angles measuring

(a) 35°
(b) 55°
(c) 70°
(d) 110°

10. 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°
(c) 80°

(d) 90°

11. If we want to construct an equilateral triangle, then we need to know:
(a) one of its angles
(b) one of its sides
(c) sum of its two sides
(d) sum of its two angles

## 12. The point of concurrence of the three angle bisectors of a triangle, is called

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

13. The construction of a triangle Î”ABC 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
(c) 5.1 cm

(d) 5.5 cm

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