The Triangle and its Properties - Solutions 2
CBSE Class –VII Mathematics
NCERT Solutions
Chapter 6 The Triangle and its Properties (Ex. 6.2)
NCERT Solutions
Chapter 6 The Triangle and its Properties (Ex. 6.2)
Question 1. Find the value of the unknown exterior angle in the following diagrams:
![](https://media-mycbseguide.s3.amazonaws.com/images/static/ncert/07/mathematics/07_math_ncert_ch06_02.jpg)
![](https://media-mycbseguide.s3.amazonaws.com/images/static/ncert/07/mathematics/07_math_ncert_ch06_03.jpg)
![](https://media-mycbseguide.s3.amazonaws.com/images/static/ncert/07/mathematics/07_math_ncert_ch06_02.jpg)
![](https://media-mycbseguide.s3.amazonaws.com/images/static/ncert/07/mathematics/07_math_ncert_ch06_03.jpg)
Answer: Since, Exterior angle = Sum of opposite interior angles, therefore
Question 2. Find the value of the unknown interior angle in the following figures:
![](https://media-mycbseguide.s3.amazonaws.com/images/static/ncert/07/mathematics/07_math_ncert_ch06_04.jpg)
![](https://media-mycbseguide.s3.amazonaws.com/images/static/ncert/07/mathematics/07_math_ncert_ch06_04.jpg)
Answer: Since, Exterior angle = Sum of opposite interior angles, therefore