In Fig. 5.10, the value of x is
a. 110°
b. 46°
c. 64°
d. 150°

Solution:

Given, the angles are 46°, 64° and 100°

We have to find the value of x.

We know that the sum of four angles about a given point is 360°

So, 100° + 46° + 64° + x = 360

100° + 110° + x = 360°

210° + x = 360°

x = 360° - 210°

x = 150°

Therefore, the value of x is 150°.

✦ Try This: In Fig., ∠AOC and ∠BOC form a linear pair. If a - 2b = 30°, find a and b.

☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 5

NCERT Exemplar Class 7 Maths Chapter 5 Problem 9

In Fig. 5.10, the value of x is: a. 110°, b. 46°, c. 64°, d. 150°

Summary:

In Fig. 5.10, the value of x is 150°

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