NCERT Class 7 Mathematics Solutions: Chapter 6 –The Triangle and its Properties Exercise 6.3 Part 1
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Isosceles Triangles
Triangle made with 50 degree and 70 degree angle
1. Find the value of unknown x in the following diagrams:
Triangle ABC Are Given
Triangle ABC, which is made 50 degree and 60 degree angle
Triangle PQR
Triangle PQR, which is made 30 degree and 90 degree angle
Triangle XYZ
Triangle XYZ, which is made 30 degree and 110-degree angle
Isosceles Triangle Are Given
Given Isosceles triangle is made with 50 degree
Given Triangle is Equilateral Triangle
Given triangle is equilateral triangle
Given Right Angled Triangle
Given right angled triangle made with 90 degree
Answer:
(i) In
[By angle sum property of a triangle]
(ii) In
[By angle sum property of a triangle]
(iii) In
[By angle sum property of a triangle]
(iv) In the given isosceles triangle
[By angle sum property of a triangle]
(v) In the given equilateral triangle
[By angle sum property of a triangle]
(vi) In the given right angled triangle
[By angle sum property of a triangle]