Question

What is the area of a circle with diameter 8 inches?
choices:
4 pi in^2
8 pi in^2
16 pi in^2
64 pi in^2

Answer 1

\(\Large \color{MidnightBlue}{\Rightarrow Area(Circle) = \pi({d \over 2})^2 }\)

Answer 2

Now, d=8

Answer 3

Or, you could say:


\(\Large \color{MidnightBlue}{\Rightarrow Area(Circle) = \pi r^2 }\)

Answer 4

is it 16 pi in^2?

Answer 5

Since d/2 = r, we can use both

Answer 6

@HiImOlivia Yes

Answer 7

Yes..