RRB Group D Model Paper 5 with solutions

Question : 57 of 100

Marks: +1, -0

Find the area of a circle whose circumference is 44 cm.

Solution:

(4) Circumference of a circle = 2πr
∴ 2 ×

22/7

× r = 44
⇒ r = 7cm
Area of circle = π

r^2

22/7

× 7 × 7 = 154

cm^2

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