# Maths MCQs for Class 9 with Answers Chapter 7 Triangles

Find here the NCERT Book Multiple Choice Questions from Class 9 Maths book with Answers Pdf free download as per CBSE new exam pattern. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Class 9 Maths. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

## Q.1 Two equilateral triangles are congruent when:

(a) Their areas are proportional
(b) Their sides are equal
(c) Their sides are proportional
(d) Their angles are equal

(b) Their sides are equal

## Q.2 It is not possible to construct a triangle when the lengths of its sides are

(a) 4 cm, 6 cm, 6 cm
(b) 9.3 cm, 5.2 cm, 7.4 cm
(c) 6 cm, 7 cm, 8 cm
(d) 5.3 cm, 2.2 cm, 3.1 cm

(d) 5.3 cm, 2.2 cm, 3.1 cm

## Q.3 Which of the following statements is incorrect?

(a) Two squares having the same side length are congruent
(b) Two rectangles having the same area are congruent
(c) Two circles having the same radius are congruent
(d) Two lines having same length are congruent

(b) Two rectangles having the same area are congruent

## Q.4 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 < CF
(c) BE = CF
(d) None of the above

(c) BE = CF

(a) SSS
(b) SSA
(c) ASA
(d) SAS

(b) SSA

(a) AB
(b) BC
(c) AC
(d) AB or AC

(b) BC

## Q.7 The angles opposite to equal sides of a triangle are:

(a) Equal
(b) Unequal
(c) supplementary angles
(d) Complementary angles

(a) Equal

(a) 90°
(b)180°
(c) 120°
(d) 60°

(d) 60°

(a) 5 cm
(b) 3 cm
(c) 4 cm
(d) 2.5 cm

(c) 4 cm

(a) BD = CD
(b) BA > BD
(c) BD > BA
(d) CD > CA

(b) BA > BD

(a) 3.6 cm
(b) 4.1 cm
(c) 3.8 cm
(d) 3.4 cm

(d) 3.4 cm

## Q.12 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) ∠ABD = ∠ACD

## Q.13 If AD is an altitude of an isosceles triangle ABC in which AB = AC. Then:

(a) BD=CD
(b) BD>CD
(c) BD<CD
(d) None of the above

(c) BD<CD

(a) 70
(b) 110
(c) 55
(d) 130

(c) 55

## Q.15 A triangle in which two sides are equal is called:

(a) Scalene triangle
(b) Equilateral triangle
(c) Isosceles triangle
(d) None of the above

(c) Isosceles triangle

(a) 3.6 cm
(b) 4.1 cm
(c) 3.8 cm
(d) 6.9 cm

(d) 6.9 cm

## Q.17 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

(c) Equilateral triangle

## Q.18 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

(b) Isosceles

## Q.19 In a right triangle, the longest side is:

(a) Perpendicular
(b) Hypotenuse
(c) Base
(d) None of the above

(b) Hypotenuse

(a) BC,AB
(a) AB,AC
(c) AB,BC
(d) BC,AC

(d) BC,AC

(a) Scalene
(b) Isosceles
(c) Equilateral
(d) Right-angled

(b) Isosceles

## Class 9 Maths MCQs Multiple Choice Questions with Answers

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