find the circumference of a circle whose area is 6.16 sq m.
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Step-by-step explanation:
Answer
⇒ Area of circular field =6.16m
2
⇒ Area of a circle =πr
2
⇒ 6.16=
7
22
×r
2
⇒ 6.16×
22
7
=r
2
⇒ r
2
=
22
43.12
⇒ r
2
=1.96
⇒ r=1.4m
⇒ d=2r=1.4×2=2.8m
⇒ The diameter of a circular field is 2.8m.
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