Question

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

Answer 1

Step-by-step explanation:

Circumference of circle =44cm [ Given ]

⇒ Circumference of circle =2πr

⇒ 44=2×

7

22

×r

⇒ r=

44

44×7

=7cm

⇒ Area of circle =πr

2

⇒ Area of circle =

7

22

×(7)

2

⇒ Area of circle =22×7

∴ Area of circle =154cm

2

Answer 2

Answer:

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Step-by-step explanation:

Circumference of circle =44cm      [ Given ]

⇒  Circumference of circle =2πr

⇒  44=2×  

7

22

​  

×r

⇒  r=  

44

44×7

​  

=7cm

⇒  Area of circle =πr  

2

 

⇒  Area of circle =  

7

22

​  

×(7)  

2

 

⇒    Area of circle =22×7

∴    Area of circle =154cm  

154.06cm²