If the radius of the circle above is 12 in, what is the area of the circle?
24 sq in
144 sq in
12 sq in
576 sq in

Question

If the radius of the circle above is 12 in, what is the area of the circle?
24 sq in
144 sq in
12 sq in
576 sq in

bookworm14 · Answer

blake, look up the formula for how to find the area of a circle

blake57roger · Answer

Use the formula A =  to find the area

k_lynn · Answer

THe area formula of a circle is $$\Pi r ^{2}$$  You know the radius, so all you have to do is plug in the correct numbers into the equation.  
$\pi$ = 3.14
r=12
So now your equation will look like this 
...

k_lynn · Answer

$$3.14\times12^{2}$$

k_lynn · Answer

OR...

k_lynn · Answer

$$3.14\times12\times12$$After you finish that math, what do you get?

k_lynn · Answer

@blake57roger

blake57roger · Answer

452.16

k_lynn · Answer

Yep, you got it :D.  That would be your answer! But don't forget the units of measurement.  452.16 square inches. Great job :)

blake57roger · Answer

@k_lynn  thats not a anwser

k_lynn · Answer

Do the answers have $\pi$ included?