The Triangles and its Properties MCQ for Class 7 Maths Chapter 6 Answer

# The Triangles and its Properties MCQ Questions for Class 7 Maths Chapter 6 with Answers

We have completed the NCERT/CBSE chapter-wise Multiple Choice Questions for Class 7 Mathematics book Chapter 6 The Triangles and its Properties with Answers by expert subject teacher for latest syllabus and examination. You can Prepare effectively for the exam taking the help of the Class 7 Maths Objective Questions PDF free of cost from here. Students can take a free test of the Multiple Choice Questions of The Triangles and its Properties. Each Questions has four options followed by the right answer. Download the Maths Quiz Questions with Answers for Class 7 free Pdf and prepare to exam and help students understand the concept very well.

## Q1. The triangle whose lengths of sides are 3 cm, 4 cm, 5 cm is a

(i) obtuse-angled triangle
(ii) right-angled triangle
(iii) acute-angled triangle
(iv) None of these

(ii) right-angled triangle

## Q2. If two sides of a triangle are not equal the triangle is called

(i) scalene
(ii) isosceles
(iii) equilateral
(iv) right-angled

(i) scalene

## Q3. A triangle has medians :

(i) 2
(ii) 1
(iii) 3
(iv) None of these

(iii) 3

(i) 1
(ii) 2
(iii) 3
(iv) 4

(iii) 3

(ii) ∠BAC
(iii) ∠ABC
(iv) ∠BCA

(i) 45, 60, 75
(ii) 75, 30, 75
(iii) 55, 50, 75
(iv) 75, 50, 55

(i) 45, 60, 75

## Q7. A/an _ connect a vertex of a triangle to the mid-point of the opposite side.

(i) altitude
(ii) median
(iii) vertex
(iv) none of these

(ii) median

## Q8. If one angle of a triangle is obtuse, the triangle is called

(i) acute-angled
(ii) right-angled
(iii) scalene
(iv) obtuse-angled

(iv) obtuse-angled

## Q9. Sum of three angles of a triangle is :

(i) 170°
(ii) 90°
(iii) 180°
(iv) None of these

(iii) 180°

(i) 4
(ii) 3
(iii) 5
(iv) 6

(iii) 5

(i) 20 and 70
(ii) 30 and 70
(iii) 60 and 20
(iv) 30 and 15

(i) 20 and 70

## Q13. If the angles of a triangle are in the ratio 4:5:9. Find all the angles of a the triangle

(i) 40 deg, 50 deg , 90 deg
(ii) 90 deg, 72 deg, 18 deg
(iii) 9 deg, 90 deg, 55 deg
(iv) 45 deg, 60 deg, 18 deg

(i) 40 deg, 50 deg , 90 deg

## Q14. In a right triangle, if hypotenuse is H, perpendicular is P and base is B then

(i) B² = H² + P²
(ii) H² = P² + B²
(iii) H² = P² – B²
(iv) P² = B² + H²

(ii) H² = P² + B²

(i) 19cm
(ii) 17cm
(iii) 28cm
(iv) 22cm

(i) 19cm

## Q16. If all the three sides of a triangle are equal, the triangle is called

(i) equilateral
(ii) right-angled
(iii) isosceles
(iv) scalene

(i) equilateral

## Q17. If two angles of the triangle are 20, 80, then the third angle is of

(i) 80
(ii) 100
(iii) 90
(iv) None of those

(i) 80

(i) AB−BC>CA
(ii) AB+BC<CA
(iii) AB−BC<CA
(iv) AB+CA<BC

(iii) AB−BC

## Q19. Which of the following cannot be the sides of a right triangle?

(i) 2 cm, 2 cm, 4 cm
(ii) 5 cm, 12 cm; 13 cm
(iii) 6 cm, 8 cm, 10 cm
(iv) 3 cm; 4 cm; 5 cm

(i) 2 cm, 2 cm, 4 cm

## Q20. If the angles of a triangle are in the ratio 4:5:9. Find all the angles of a the triangle

(i) 40°, 50°, 90°
(ii) 90°, 72°, 18°
(iii) 9°, 90°, 55°
(iv) 45°, 60°, 18°

(i) 40°, 50°, 90°

## Q21. If one angle of a triangle measures 90°, the triangle is called

(i) acute-angled
(ii) obtuse-angled
(iii) right-angled
(iv) none of these

(iii) right-angled

## Q22. If the sum of two angles is greater than 1800, then which of the following is not possible?

(i) tow obtuse angles
(ii) two right angles
(iii) one reflex and one acute angle
(iv) one obtuse and one acute angle

(i) tow obtuse angles

(i) 150 cm
(ii) 140 cm
(iii) 130cm
(iv) 120cm

(ii) 140 cm

(i) 0
(ii) 1
(iii) 2
(iv) 3

(ii) 1

## Q25. The triangle whose lengths of sides are 3 cm, 4 cm, 5 cm is a

(i) obtuse-angled triangle
(ii) right-angled triangle
(iii) acute-angled triangle
(iv) None of these

(ii) right-angled triangle

## Q26. How many altitudes can a triangle have?

(i) 1
(ii) 2
(iii) 3
(iv) 4

(iii) 3

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