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

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

Answer 2

Answer:

If the circumference is 50.24, the radius must be $r = \frac{50.24}{2\pi r}$

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

So, $r= \frac{50.24}{2\pi r} =8.0cm$

Since the area is,

$a = {\pi r}^{2}$

we obtain,

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

$= 201 \: {cm}^{2}$

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