6 November, 03:45
area is 616 cm
6 November, 04:21
Answer: 87.96 cm
Radius = √a/π
=√616 / π = 14 cm
Circumference = 2πr
= 2 x π x 14
= 87.96 cm
6 November, 04:28
Answer: 88 cm
The area of a circle is A=πr². Since we know the area, we can use find the radius, and use the radius to find the circumference,
Now that we have the radius, we can use it to find the circumference. The formula for circumference is C=2πr.
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» Find the a circle circumference of whose area is 616 cm