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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Find the Value of Angles

Question: 1 Find in the following figures:

(a)

Image

Find the Value X in Given Figure

(b)

Image

Value of Two Angles Are Given

Answer:

(a)

let՚s take two interior angle m and n.

Image:

In Triangle the Angle M, N and X Are Shown

Here,

Exterior angle = Sum of opposite interior angles

(b)

let՚s take interior angle m, n and y.

Image:

In Figure Some Angles Values Are Given

Two interior angles are right angles = 90°

Here,

Thus, sum of the angles of pentagon

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