Question

2. The area of a circle is 301.84cmsq. Calculate
b.Circumference of the circle.
Please explain step by step.​

Answer 1

Answer:

Step-by-step explanation:

⇒ Area of circle =301.84cm

2

[ Given ]

⇒ Area of circle =πr

2

⇒ 301.84=

7

22

×r

2

⇒ r

2

=

22

301.84×7

⇒ r

2

=96.04

∴ r=9.8cm

⇒ Circumference of circle =2πr

∴ Circumference of circle

=2×

7

22

×9.8=61.6cm..........

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