NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 6: Triangles - Problems and SolutionsQuestion 129
Class 7 - Mathematics - Unit 6: Triangles - Problems and Solutions
Question. 129
In Fig. 6.40, find the values of x, y and z.

Answer:
x = 60°, y = 120°, z = 30°
Detailed Answer with Explanation:
Using exterior angle property and sum of angles of triangle.