# NCERT Class 8 Mathematics Solutions: Chapter 3 – Understanding Quadrilaterals Exercise 3.2 Part 1 (For CBSE, ICSE, IAS, NET, NRA 2022)

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**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