Triangles-MCQ

1.  Choose the correct statement

      (a) a triangle has two right angles

      (b) all the angles of a triangle are more than 60°

      (c) an exterior angle of a triangle is always greater than the opposite interior angles

      (d) all the angles of a triangle are less than 60°

2.  In two triangles, ABC and PQR, ∠A = 30°, ∠B = 70°, ∠P = 70°, ∠Q = 80° and AB = RP, then

      (a) ΔABC ≌ ΔPQR                              (b) ΔABC ≌ ΔQRP

      (c) ΔABC ≌ ΔRPQ                              (d) ΔABC ≌ ΔRQP

3.  In two triangles ABC and DEF, AB = DE, BC = DF and AC = EF, then

      (a) ΔABC ≌ ΔDEF                              (b) ΔABC Δ ΔEFD

      (c) ΔABC ≌ ΔFDE                              (d) none of these

4.  Are the given triangles congruent?

      (a) yes                              (b) no

      (c) can’t say

5.  If ΔABC is congruent to ΔDEF by SSS congruence rule, then:

      (a) ∠C < ∠F                              (b) ∠B < ∠E

      (c) ∠A < ∠D

      (d) ∠A = ∠D, ∠B = ∠E, ∠C = ∠F

6.  In the given figure, the congruency rule used in proving ∠ACD ≌ ∠ADB is

      (a) ASA                              (b) SAS

      (c) AAS                              (d) RHS

7.  Given two right angles triangles ABC and PRQ, such that ∠A = 20°, ∠Q = 20° and AC = QP. Write the correspondence if triangles are congruent.

      (a) ΔABC≌ ΔPQR                              (b) ∠ABC ≌ ΔPRQ

      (c) ∠ABC ≌ ΔRQP                             (d) ΔABC ≌ ΔQRP

8.  In a triangle PQR if ∠QPR = 80° and PQ = PR, then ∠R and ∠Q are

      (a) 80°, 70°                              (b) 80°, 80°

      (c) 70°, 80°                              (d) 50°, 50°

9.  In the given figure, find PM

      (a) 3 cm                              (b) 5 cm

      (c) 4 cm                              (d) 2 cm

10.  In the given figure, AD is the median then ∠BAD is

      (a) 35°                                 (b) 70°

      (c) 110°                              (d) 55°