# Class 9 Maths Chapter 7 Triangles | Multiple Choice Questions

CBSE CLASS 9 MATHEMATICS /MCQ

Multiple Choice Questions on TRIANGLES – Chapter 7

1. Two figures are ———, if they are of the same shape and of the same size.

A. Similar

B. Congruent

C. Equal

2. Angles opposite to equal sides of a triangle are ————–

A. Equal

B. Double

C. Different

3. Each angle of an equilateral triangle is of ———- degree.

A. 30

b. 60

c. 90

4. In a triangle, angle opposite to the longer side is —————-

A. Smaller

B. Larger

C. Equal

5. Sides opposite to equal angles of a triangle are ———–

A. Smaller

B. Larger

C. Equal

6. In two triangles ABC and PQR, if AB = QR, BC = RP and CA = PQ then————

A. ABC congruent to PQR

B. ABC congruent to QRP

C. ABC congruent to RPQ

7. In triangle PQR, PQ = PR and < P = 70 degree, then < Q = —————-

A. 40

B. 55

C. 60

8. In triangle ABC, AB = AC then ————–

A. <A = <B

B. <B = <C

C. <C = <A

9. In two triangles ABC and DEF, AC = DF, AB = DE, BC = EF so triangle ABC congruent to DEF by ————— rule.

A. SSS Congruence rule

B. SAS Congruence rule

C. RHS Congruence rule

10. In two right triangles ABC and PQR, BC = QR, AC = PR, <A = <P = 90 degree,so triangle ABC congruent to PQR by ———– rule.

A. SSS Congruence rule

B. SAS Congruence rule

C. RHS Congruence rule

11. In triangle PQR, <P = <R and PR = 7 cm, PQ = 6 cm then length of QR is ——

A. 6cm

B. 7 cm

C. 8 cm

12. PQR is a triangle right angled at P, then ————

A. QR > PQ

B. QR = PQ

C. QR < PQ

13. In triangle ABC, <A = 60 degree, <B = 70 degree. The longest side of the triangle is ————–

A. AB

B. AC

C. BC

14. Which of the following is not a congruence criterion of triangles?

A. SSS Congruence rule

B. AAA Congruence rule

C. SAS Congruence rule

15. Sum of any two sides of a triangle is ———– than the third side.

A. Greater

B. Smaller

C. Equal

**ANSWERS:**

1. Congruent

2. Equal

3. 60

4. Larger

5. Equal

6. ABC congruent to QRP.

7. 55

8. <B = <C

9. SSS Congruence rule

10. RHS Congruence rule

11. 6 cm

(In an isosceles triangle, the sides opposite to equal angles of a triangle are equal)

12. QR>PQ

(QR is the hypotenuse. Hypotenuse is always greater)

13. AC

(Side opposite to the larger angle is longer)

14. AAA Congruence rule

15. Greater

Good

this is useful for exams