Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 2D

Question:

Find the area and circumference of a circle if the radius is 14 cm.(Take π = $\frac{22}{7}$)

Options:

Area = 44 cm2; circumference = 308 cm

Area = 616 cm2; circumference = 88 cm

Area = 88 cm2; circumference = 616 cm

Area = 308 cm2; circumference = 44 cm

Correct Answer:

Area = 616 cm2; circumference = 88 cm

Explanation:

We know that,

Area of a circle = πr2 

Circumference  =2πr

r=14cm

Circumference =2 × \(\frac{22}{7}\)× 14

=2×22×2 = 88cm

Area of a circle = πr2 = \(\frac{22}{7}\) × 14 × 14 = = 616 cm2