Question

The circumference of a circle is 15π. What is the area?

Answer 1

Answer:

Circle

Solve for area

A≈17.9

Circumference = 15

Answer 2

Circumference of circle is: 2πr

In your case it's 15π

So that becomes:

2πr=15π

That means 2 times radius(r) is 15

r=15/2

r computes out to be 7.5

Now r=7.5

So the area of circle(AoC) i.e. πr^2

• AoC=3.14*(7.5)^2
• AoC=3.14*(7.5)*(7.5)
• AoC=176.625

Note:Don't forget to multiply the result to respective unit square..for e.g. if the cirumference was 15π in cm then the Area would compute out as 176.625 cm^2

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