Home / NCERT MCQs / 9th Class / Math / Triangles

# 9th Class - Math | Chapter: Triangles MCQs

Dear candidates you will find MCQ questions of 9th Class - Math | Chapter: Triangles here. Learn these questions and prepare yourself for coming examinations. You can check the right answer of any question by clicking the option or by clicking view answer button.
All subjects and chapters of 9th Class are listed below. You can select any subject and chapter below to learn mcq questions of that chapter and subject.

(A) BF=AC
(B) BF=AF
(C) CE=AB
(D) BF = CE

## Q2) ABC is an isosceles triangle in which altitudes BE and CF are drawn to equal sides AC and AB respectively. Then

(A) BE>CF
(B) BE
(C) BE=CF
(D) None of the above

## Q3) If ABC and DBC are two isosceles triangles on the same base BC. Then

(A) ∠ABD = ∠ACD
(B) ∠ABD > ∠ACD
(C) ∠ABD < ∠ACD
(D) None of the above

(A) 90°
(B) 180°
(C) 120°
(D) 60°

## Q5) If AD is an altitude of an isosceles triangle ABC in which AB = AC. Then

(A) BD=CD
(B) BD>CD
(C) BD
(D) None of the above

## Q6) In a right triangle, the longest side is

(A) Perpendicular
(B) Hypotenuse
(C) Base
(D) None of the above

(A) 70
(B) 110
(C) 55
(D) 130

## Q8) For two triangles, if two angles and the included side of one triangle are equal to two angles and the included side of another triangle. Then the congruency rule is

(A) SSS
(B) ASA
(C) SAS
(D) None of the above

## Q9) A triangle in which two sides are equal is called

(A) Scalene triangle
(B) Equilateral triangle
(C) Isosceles triangle
(D) None of the above

## Q10) The angles opposite to equal sides of a triangle are

(A) Equal
(B) Unequal
(C) supplementary angles
(D) Complementary angles

(A) ∆DEF ≅ ∆PQR
(B) ∆FED ≅ ∆PRQ
(C) ∆EDF ≅ ∆RPQ
(D) ∆PQR ≅ ∆EFD

(A) 80o
(B) 40o
(C) 50o
(D) 100o

(A) 3.6 cm
(B) 4.1 cm
(C) 3.8 cm
(D) 6.9 cm

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

## Q15) D is a point on the side BC of a ΔABC such that AD bisects ∠BAC. Then

(A) BD : DC = AB : AC
(B) CD > CA
(C) BD > BA
(D) BA > BD

## Q16) It is given that Δ ABC ≅ Δ 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°

## Q17) All the medians of a triangle are equal in case of a:

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

(A) 40o
(B) 50o
(C) 80o
(D) 90o

## Q19) In triangle PQR if ∠Q = 90°, then

(A) PQ is the longest side
(B) QR is the longest side
(C) PR is the longest side
(D) None of these

(A) 50o
(B) 80o
(C) 100o
(D) 130o

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

## Q22) 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

(A) ∠A = 80°
(B) ∠A = 85°
(C) ∠A = 120°
(D) ∠A = 145°

## Q24) If in ΔPQR, PQ = PR then

(A) ∠P = ∠R
(B) ∠P = ∠Q
(C) ∠Q = ∠R
(D) None of these

(A) 45o
(B) 60o
(C) 80o
(D) 90o