# Constructions MCQ Questions for Class 9 Math’s Chapter 11 with Answers

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## Q1. In Δ ABC if ∠B = ∠C = 300, which of the following is the longest side?

(A) BC
(B) AC
(C) AB
(D) None of these

(A) 40°
(B) 37.5°
(C) 47.5°
(D) 35°

## Q3. In Δ ABC, which of the following information is needed to construct it if it is known that measure of ∠B = 60 and BC = 6 cm :

(A) AB + BC
(B) CA + AB
(C) BC + CA
(D) All of the above

(A) 35
(B) 45
(C) 95
(D) 55

(A) 35
(B) 40
(C) 90
(D) 50

## Q6. 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

(A) 120°
(B) 60°
(C) 140°
(D) 135°

(A) 40°
(B) 37.5°
(C) 65°
(D) 50°

## Q9. Which of these triangles are possible to construct by knowing only its altitude?

(A) Right angled triangle
(B) Equilateral triangle
(C) Isosceles triangle
(D) Any triangle

## Q10. An angle whose measure is more than 180° and less than 360° is called a

(A) Reflex angle
(B) Acute angle
(C) Straight angle
(D) Complete angle

(A) 4.2 cm
(B) 5.9 cm.
(C) 4 cm.
(D) 3 cm.

(A) 35°
(B) 40°
(C) 90°
(D) 50°

(A) a + b > c
(B) a – b > c
(C) a + b = c
(D) a – b = c

(A) a+b>c
(B) a-b>c
(C) a+b=c
(D) a-b=c

## Q15. The construction of a triangle ABC with AB = 4 cm and ∠A = 60° is not possible when difference of BC and AC is equal to

(A) 3.5 cm
(B) 4.5 cm
(C) 2.5 cm
(D) 3 cm

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