Question

A coffee can has a volume of 137.375 cubic inches and a height of 7 inches. Find the circumference of this coffee can?
the answers are

A. 15.7 in
B. 6.25 in
C. 12.5 in
D. 19.625in

Answer 1

can you help me

Answer 2

coffee can is a cylinder...
its volume V=pi*r^2*h here r =radius of the base and h=height
find r first

Answer 3

how would i do that

Answer 4

do u have a calculator?

Answer 5

yes

Answer 6

then use it

Answer 7

i got 19.625 is that right

Answer 8

137.375=3.14*r^2*7
r=?

Answer 9

19.625in

Answer 10

i got 2.5 in
sorry there is a disturb in network

Answer 11

thats not oone of the answers

Answer 12

but when i divide 137.375 in to 7 i get 19.625in

Answer 13

that is not your answer..
the circumference of this coffee can is 2*pi*r

Answer 14

look in the questions you will see the 4 answers i have to choose from

Answer 15

i got r=2.5 in
so circumference=2*3.14*2.5=15.7 in

Answer 16

15.7 is the answer if you go up to the question the answer you got would be A

Answer 17

yes..

Answer 18

thanck you for your help

Answer 19

welcome