NCERT Solutions for Class 7 Maths Chapter 6

NCERT Solutions for Class 7 Maths Chapter 6 Triangle and its Properties Exercise 6.1, Exercise 6.2, Exercise 6.3, Exercise 6.4 and Exercise 6.5 in English Medium which are updated for new academic session 2021-2022.

Download solutions of Prashanavali 6.1, Prashanavali 6.2, Prashanavali 6.3, Prashanavali 6.4 and Prashanavali 6.5 in Hindi Medium also updated for session 2021-22. All the solutions are according to NCERT Books 2021-2022. Videos related to each exercises are also given to understand easily. Download Offline Apps free for offline use.

NCERT Solutions for Class 7 Maths Chapter 6




Class: 7Maths (English and Hindi Medium)
Chapter 6:Triangle and its Properties

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7 Maths Chapter 6 Solutions

7 Maths all five exercises of Chapter 6 Triangle and its Properties solutions with complete description of each and every question are given below. For offline use, you may use Offline Apps for 2021-22.




Class 7 Maths Chapter 6 Solution in Videos

Class 7 Maths Chapter 6 Exercise 6.1 Solution
Class 7 Maths Chapter 6 Exercise 6.2 Solution
Class 7 Maths Chapter 6 Exercise 6.3 Solution
Class 7 Maths Chapter 6 Exercise 6.4 Solution

Class 7 Maths Chapter 6 Exercise 6.5 Solution



About NCERT Solutions for Class 7 Maths Chapter 6

In 7 Maths Chapter 6 Triangle and its Properties, we will study about the various properties of a triangle. We know that a triangle is a simple closed curve made of three line segments. It has three vertices, three sides and three angles. It can be classified on the basis of sides and angles as follows:
1. Based on Sides: Scalene, Isosceles and Equilateral triangles.
2. Based on Angles: Acute-angled, Obtuse-angled and Right-angled triangles.
Read the following concepts before going through the chapter:

    1. Median of a triangle is a line segment drawn form vertex to the mid-point of opposite side. So, a triangle can have three medians drawn from three vertices.
    2. Altitude of a triangle is a perpendicular line drawn from vertex to opposite side. Like median, a triangle can have three altitudes drawn from three vertices.
    3. An exterior angle of a triangle is equal to the sum of its interior opposite angles.
    4. Angle sum property of Triangle: The sum of all the three interior angles of a triangle is 180°.
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Important Questions on Class 7 Maths Chapter 6

PQR is a triangle, right angled at P. If PQ = 10 cm and PR = 24 cm, find QR.

Given: PQ = 10 cm, PR = 24 cm
Let QR be x cm.
In right angled triangle QPR, (Hypotenuse)² = (Base)² + (Perpendicular)²
[By Pythagoras theorem]
(QR)² = (PQ)² + (PR)²
x² = 10² + 24²
x² = 100 + 576 = 676
x = 26 cm
Thus, the length of QR is 26 cm.

ABC is a triangle, right angled at C. If AB = 25 cm and AC = 7 cm, find BC.

Given: AB = 25 cm, AC = 7 cm
Let BC be x cm.
In right angled triangle ACB, (Hypotenuse)² = (Base)² + (Perpendicular)²
[By Pythagoras theorem]
(AB)² = (AC)² + (BC)²
25² = 7² + x²
625 = 49 + x²
x² = 625 – 49 = 576
x = 24 cm
Thus, the length of BC is 24 cm.

NCERT Solutions for Class 7 Maths Chapter 6 Triangle and its Properties Exercise 6.1
NCERT Solutions for Class 7 Maths Chapter 6 Triangle and its Properties Exercise 6.2
NCERT Solutions for Class 7 Maths Chapter 6 Triangle and its Properties Exercise 6.3
7 Maths exercise 6.3
7 Maths Chapter 6 Exercise 6.4
7 Maths Chapter 6 Exercise 6.4 sols in pdf
7 Maths Triangle and its Properties Exercise 6.5
7 Maths Triangle and its Properties Exercise 6.5 sols in pdf form free downlaod
7 Maths Triangle and its Properties Exercise 6.5 all question answers guide
7 Maths Chapter 6 Exercise 6.1
7 Maths Chapter 6 Exercise 6.2
7 Maths Chapter 6 Exercise 6.3
7 Maths Chapter 6 Exercise 6.3 guide free pdf
7 Maths Chapter 6 Exercise 6.4
7 Maths Chapter 6 Exercise 6.4 free download
7 Maths Chapter 6 Exercise 6.5
7 Maths Chapter 6 Exercise 6.5 download in pdf form free
7 Maths Chapter 6 Exercise 6.5 guide free