Question

The circumference of a circle is 50.24 feet. What is the diameter of the circle? (To find the diameter, multiply the radius by 2)

The answer I got was 25.12 can you please tell me if I'm right, if I'm wrong please tell me the correct answer

Answer 1

If the circumference is 50.24, the radius must be
`r = (50.24)/(2\pi r)`

, because the circumference is always equal to
`2\pi r`

So,
`r= (50.24)/(2\pi r) =8.0cm`

Since the area is,

`a = {\pi r}^(2)`

we obtain,

`a = \pi( {8}^(2))`

`= 201 \: {cm}^(2)`

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Answer 2

I also got 25.12 im pretty sure your right but maby not