Question

Find the area of a circle whose radius is 3.5 ft. Round your answer to the nearest hundredths.
A.
9.62 square ft
B.
38.47 square ft
C.
10.99 square ft
D.
5.5 square ft
just the answer please

Answer 1

what is the formula for area?

Answer 2

area of a circle*

Answer 3

http://dandumitrache.com/wp-content/uploads/2013/07/area-circle.png

Answer 4

the formula is A=3.14*r2

Answer 5

good, that can also be said as \[A=\pi r^2\]
So just plug in your r, and multiply to get your answer

Answer 6

so the answer is A?

Answer 7

no, what is \(3.5^2\)?

Answer 8

12.25

Answer 9

now what is that times pi?

Answer 10

38.465

Answer 11

so which one is your answer?

Answer 12

its B

Answer 13

Indeed

Answer 14

thanks

Answer 15

np