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26-01-2017
Mathematics

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SOMEONE PLEASE HELP MATH

The circumference of a circle is 3π in.

What is the area of the circle?

1.5π in²
2.25π in²
6πin²
9π in²

Respuesta :

26-01-2017

circumference = 2πr
3π=2πr
r=3π÷2π
r=3/2
area of a circle= πr²
=π×(3/2)²
=2.25π

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Аноним Аноним

26-01-2017

Circumference = 2πr = 3π
r = 3π/2π
r = 3/2

Area = πr² = 9/4 π = 2.25π

In short, Your Answer would be Option B

Hope this helps!

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