Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Geometry

Question:

Find the area of the circle whose circumference is 22 cm.

Options:

38.5 cm2

42 cm2

30 cm2

77 cm2

Correct Answer:

38.5 cm2

Explanation:

Let radius be r

Given circumference = 2\(\Pi \)r = 22

= r = 22/2\(\Pi \) = \(\frac{7}{2}\)

Area can be give as \(\Pi \)\( { r}^{2 } \)

= Area = \(\Pi \)\( { 3.5}^{2 } \) = 38.5\( {cm}^{2 } \)

Therefore, the area of circle is 38.5\( {cm}^{2 } \).