Question

What is the area of a circle with a diameter of 8 meters (use 3.14 for ð)?

Answer 1

Answer:

A. 50.24 square meters

Step-by-step explanation:

The formula of an area of a circle:

$A=\pi r^2$

r - radius

We have the diameter d = 8 m. We know d = 2r. Therefore

$2r=8$            divide both sides by 2

$r=4\ m$

Put it to the formula of an area:

$A=\pi(4^2)=16\pi\ m^2$

$\pi\approx3.14\\\\A\approx16(3.14)=50.24\ m^2$

Answer 2

Answer:

The area of the circle is 50.24 m.

First find the radius which is half the diameter. So our radius is 4.

A =3.14 * 4^2

A= 3.14 * 16

A = 50.24

So your answer would be A.

I hope I helped!