Pages

Triangles (MCQs)

 1.) If ∆ ABC ≅ ∆ PQR and ∆ ABC is not congruent to ∆ RPQ, then which of the following is not true: 

(A) BC = PQ
(B) AC = PR
(C) QR = BC
(D) AB = PQ

2.) Which of the following is not a criterion for congruence of triangles?

(A) SAS
(B) ASA
(C) SSA
(D) SSS

3.) 
If AB = QR, BC = PR and CA = PQ, then 

(A) ∆ ABC ≅ ∆ PQR
(B) ∆ CBA ≅ ∆ PRQ
(C) ∆ BAC ≅ ∆ RPQ
(D) ∆ PQR ≅ ∆ BCA

4.) In ∆ ABC, AB = AC and ∠B = 50°. Then ∠C is equal to

(A) 40°
(B) 50°
(C) 80°
(D) 130°

5.) In ∆ ABC, BC = AB and ∠B = 80°. Then ∠A is equal to

(A) 80° (B) 40° (C) 50° (D) 100°

6.) In ∆ PQR, ∠R = ∠P and QR = 4 cm and PR = 5 cm. Then the length of PQ is

(A) 4 cm
(B) 5 cm
(C) 2 cm
(D) 2.5 cm

7.) D is a point on the side BC of a ∆ ABC such that AD bisects ∠BAC. Then

(A) BD = CD
(B) BA > BD
(C) BD > BA
(D) CD > CA

8.) It is given that ∆ ABC ≅ ∆ FDE and AB = 5 cm, ∠B = 40° and ∠A = 80°. Then which of the following is true?

(A) DF = 5 cm, ∠F = 60°
(B) DF = 5 cm, ∠E = 60°
(C) DE = 5 cm, ∠E = 60°
(D) DE = 5 cm, ∠D = 40°

9.) 
Two sides of a triangle are of lengths 5 cm and 1.5 cm. The length of the third side of the triangle cannot be 

(A) 3.6 cm
(B) 4.1 cm
(C) 3.8 cm
(D) 3.4 cm

10. In ∆ PQR, if ∠R > ∠Q, then

(A) QR > PR
(B) PQ > PR
(C) PQ < PR
(D) QR < PR

11.) In triangles ABC and PQR, AB = AC, ∠C = ∠P and ∠B = ∠Q. The two triangles are

(A) isosceles but not congruent
(B) isosceles and congruent
(C) congruent but not isosceles
(D) neither congruent nor isosceles

12.) In triangles ABC and DEF, AB = FD and ∠A = ∠D. The two triangles will be congruent by SAS axiom if 

(A) BC = EF
(B) AC = DE
(C) AC = EF
(D) BC = DE

1.) A 2.) C 3.) B 4.) B 5.) C 6.) A 7.) B 8.) B 9.) 8.) D 9.) B 10.) A 11.) A 12.) B