## MCQ Questions for Class 9 Maths Chapter 7 Triangles

Explore numerous MCQ Questions of Triangles Class 9 with answers provided with detailed solutions by looking below.

Question 1.

△ABC = △PQR, then which of the following is true?

(a) CB = QP

(b) CA = RP

(c) AC = RQ

(d) AB = RP

## Answer

Answer: (b) CA = RP

Question 2.

In △ABC and △DEF, AB = DE and ∠A = ∠D.Then two triangles will be congruent by SA axiom if:

(a) BC = EF

(b) AC = EF

(c) AC = DE

(d) BC = DE

## Answer

Answer: (c) AC = DE

Question 3.

In a right triangle, the longest side is:

(a) Perpendicular

(b) Hypotenuse

(c) Base

(d) None of the above

## Answer

Answer: (b) Hypotenuse

Question 4.

In △ABC, if ∠A = 45° and ∠B = 70°, then the shortest and the longest sides of the triangle are respectively,

(a) BC,AB

(a) AB,AC

(c) AB,BC

(d) BC,AC

## Answer

Answer: (d) BC,AC

Question 5.

If the altitudes from vertices of a triangle to the opposite sides are equal, then the triangles is

(a) Scalene

(b) Isosceles

(c) Equilateral

(d) Right-angled

## Answer

Answer: (b) Isosceles

Question 6.

D is a Point on the Side BC of a △ABC such that AD bisects ∠BAC then:

(a) BD = CD

(b) CD > CA

(c) BD > BA

(d) BA > BD

## Answer

Answer: (d) BA > BD

Question 7.

If ΔABC ≅ ΔPQR then which of the following is true:

(a) CA = RP

(b) AB = RP

(c) AC = RQ

(d) CB = QP

## Answer

Answer: (a) CA = RP

Question 8.

If two triangles ABC and PQR are congruent under the correspondence A ↔ P, B ↔ Q, and C ↔ R, then symbolically, it is expressed as

(a) ΔABC ≅ ΔPQR

(b) ΔABC = ΔPQR

(c) ΔABC and ΔPQR are scalene triangles

(d) ΔABC and ΔPQR are isosceles triangles

## Answer

Answer: (a) ΔABC ≅ ΔPQR

Question 9.

If the bisector of the angle A of an △ABC is perpendicular to the base BC of the triangle then the triangle ABC is :

(a) Obtuse Angled

(b) Isosceles

(c) Scalene

(d) Equilateral

## Answer

Answer: (b) Isosceles

Question 10.

If AB = QR, BC=RP and CA = QP, then which of the following holds?

(a) △BCA ≅ △PQR

(b) △ABC ≅ △PQR

(c) △CBA ≅ △PQR

(d) △CAB ≅ △PQR

## Answer

Answer: (d) △CAB ≅ △PQR