Question

What is the area of a circle with circumference of 9.42 inches?

Answer 1

what is the radius of a circle of circumference 9.42 inches ?

Answer 2

no the area

Answer 3

you ans my question and then i'll answer yours!! :D

Answer 4

oh ha the radius was not given.
A. 5.34
B. 7.02
C. 21.78
D. 49.45

Answer 5

oh ha you need to calculate the first!!

Answer 6

infact, you need not calculate the radius if you try and relate area and circumference directly..hmm..
atleast you can tell formulla of circumference and area of circle of radius r ?

Answer 7

ok that worked. thanks for the help

Answer 8

ohh ! o.O

:D