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NCERT Class 8 Mathematics Solutions: Chapter 3 – Understanding Quadrilaterals Exercise 3.2 Part 1
Question: 1 Find in the following figures:
(a)
Image
(b)
Image
Answer:
(a)
let՚s take two interior angle m and n.
Image:
Here,
Exterior angle = Sum of opposite interior angles
(b)
let՚s take interior angle m, n and y.
Image:
Two interior angles are right angles = 90°
Here,
Thus, sum of the angles of pentagon