CMAT 2016 Solved Question Paper

Question : 11 of 100

Marks: +1, -0

What is the approximate value of the circumference and the area of the circle whose diameter is 18 m?

Solution:

18/2

= 9 m
Circumference of circle = 2πr = 2 x

22/7

x 9 = 56.5 ≃ 56 m
and area of circle = π

r^2

22/7

x 9 x 9 = 254.5

m^2

≃ 254

m^2

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