The Triangle and its Properties MCQ Questions Class 7 Maths Chapter 6
NCERT MCQ Questions for Class 7 Maths Chapter 6 The Triangle and its Properties. The Triangle and its Properties MCQ Questions with Answers from Class 7 Maths
The Triangle and its Properties MCQ Questions Class 7 Maths Chapter 6
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Chapter – 6
The Triangle and its Properties
Question 1:
Draw a figure. In △ABC, BM is median
Ans:
The segment BM, joining the midpoint AC to its opposite vertex B is called a medium of triangle.
Question 2:
From this figure give the answers of following questions.
Which is the interior angle of triangle?
(a) ∠PMR
(b) ∠ONQ
(c) ∠PNO
(d) ∠PMN
Ans:
(d) ∠PMN
This angle lies in the interior of △PMN.
Question 3:
Which are the exterior angle of triangle?
(a) ∠PMN
(b) ∠NPM
(c) ∠PNM
(d) ∠ONQ
Ans:
(d) ∠ONQ
This angle lies, in the exterior of △PMN.
Question 4:
Find ∠PMN => ? from the above figure.
(a) 90°
(b) 80°
(c) 70°
(d) 110°
Ans:
(c) 70°
∠PMR + ∠PMN = 180°
110° + ∠PMN = 180°
∠PMN = 70°
Question 5:
Find ∠x = ?
(a) 70°
(b) 60°
(c) 80°
(d) 50°
Ans:
(b) 60°
Sum of interior opposite angle
= Exterior angle
50° + x = 110°
x = 60°
Question 6:
From this figure give the answer of following questions Find ∠A =?
(a) 110°
(b) 90°
(c) 70°
(d) 60°
Ans:
(a) 110°
In △ABC
∠A + ∠B + ∠C = 180°
∠A + 30° + 40° = 180°
total measures ∠A = 110° of three angle of triangle 180°
Question 7:
Find ∠x =? from, the above fig.
(a) 60° ‘
(b) 50°
(c) 70°
(d) 90°
Ans:
(c) 70°
Sum of interior opposite angles = exterior angle
30° + 40° = x
x = 70°
- In case you have missed:- Previous Chapter MCQ Questions
Question 8:
Which is exterior angle of triangle?
(a) ∠BAD
(b) ∠BAC
(c) ∠ABC
(d) ∠BCA
Ans:
(a) ∠BAD
Because this angle lies on the exterior of triangle △ABC
Question 9:
From this figure give the answers of following question.
Find ∠x
(a) 80°
(b) 70°
(c) 90°
(d) 50°
Ans:
∠x = 80°
(a) Because opposite angle of the triangle are same.
Question 10:
Find ∠y =?
(a) 50°
(b) 60°
(c) 70°
(d) 80°
Ans:
(a) 50°, Total measures of three angle of triangle = 180°
∠BAC + ∠ACB + ∠ABC = 180°
50° + ∠ACB + 80° = 180°
∠ACB = 50°
Question 11:
Which is true (See the figure first) from the option
(a) BM > MC
(b) AB = BM
(c) AB + AC > AM
(d) AM = AC
Ans:
(c) AB + AC > AM, two sides of triangle is greater than its medium.
Question 12:
Is there a triangle whose sides have lengths 11.2 cm, 5.7 cm, and 5.5 cm?
(a) 11.2cm + 5.8 cm > 5.5 cm
(b) 5.8 + 5.5 > 11.2
(c) 11.2 + 5.5 > 5.8
(d) 11.2 + 5.5 < 5.8 which is wrong?
Ans:
(d) 11.2 + 5.5 < 5.8 is wrong because sum of two sides of the triangle is greater than third sides of the triangle.
Question 13:
In △ABC is right angled at C. If Ac = 3cm and BC = 4cm then find the length of AB =?
(a) 4
(b) 3
(c) 5
(d) 6
Ans:
(c) 5, by Pythagoras property,
AB2 = AC2 + CB2
= 32 + 42
= 16 + 9 = 25
AB2 = 52, AB = 5 cm
Question 14:
How many medians triangle have?
(a) 1
(b) 2
(c) 3
(d) 4
Ans:
(c) 3,
Triangle have three medians.
Question 15:
△ABC is a triangle right angle at B. if AC = 25 cm and AB = 7cm find BC?
(a) 23cm
(b) 22cm
(c) 24cm
(d) 25cm
Ans:
△ABC right angle triangle
AC2 = AB2 + BC2 by Pythagoras theorem
252 = 72 + BC2
625 = 49 + BC2
625- 49 = BC2
576 = BC2
(c) BC = 24 cm.
- In case you have missed:- Next Chapter MCQ Questions
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