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Alja [10]
2 years ago
11

The circumference of a circle is 20m. What is the area, in square meters?

Mathematics
1 answer:
Mamont248 [21]2 years ago
8 0

Answer:

c = 62.83185

a = 314.15927 m²

Step-by-step explanation:

Hey There!

So first thing that we want to do is find the formula for the circumference

C=2\pi r

where r = radius

we are given the diameter which we can easily convert to radius by dividing by 2

20/2=10

so the radius is 10

now we plug in

C=2\pi 10\\C=62.83185

So the circumference is equal to 62.83185 m ²

Now to find the area we use the formula

A = \pi r^210^2=100\\100\pi =314.15927

so we can conclude that the area of the circle is  314.15927

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