Question

PLEASE HELP WILL AWARD FAN AND MEDAL!!!!!!
circle a as an area of 254.469 square units. What is the circumference of circle a ? Round your answer to the nearest hundredth, if necessary.

A. 9.00 units
B. 15.95 units
C. 56.55 units
D. 81.00 units

Answer 1

and so that is the opposite of \[\pi \times R ^ 2\]

Answer 2

yes and i would plug in 254.469 for area correct?

Answer 3

yes

Answer 4

but not for circumference.

Answer 5

well wouldnt you solve for the radius then plug it in to the formula to find circumference

Answer 6

and \[\pi = 3.1415926535898\]

Answer 7

yes

Answer 8

yes the formula for the circumference of a circle is R x \[\pi \times 2\]

Answer 9

okay so then i solve for r then plug that in and find the circumference?

Answer 10

yes, that is right

Answer 11

plus i am only in grade 3

Answer 12

yeah

Answer 13

can you medal and fan now?

Answer 14

medal you and fan

Answer 15

is c correct?

Answer 16

thank you soo much :)