Question

what is the aproximate volume of a cone shaped party hat with a base whose circumference is 25.12 inches and height is 8 inches

Answer 1

volume of cone is 1/3 pi r^2 h
2pi r=25.12
r=25.12/2pi
r=4.0

Answer 2

vol= 1/3 * pi* (4.0)^2 *8
=134.1cubic inches

Answer 3

oh bt i have multiple coice and a.401.92 b.33.49 c.133.97 d.535.89 so whivh one would it be

Answer 4

C

Answer 5

k thanx

Answer 6

so beens its c right?

Answer 7

yeah

Answer 8

how is it c though if u told me that its 134.1

Answer 9

if you HAVE to choose...there will be a margin of error when calculating

Answer 10

whenever u round of things and continue calculatinbg with the figures that happens...pi by it sely is a rounded figure...i used 3.142

Answer 11

oh okay now i get well thanx .

Answer 12

ok

Answer 13

can you try to answer my friends question by smiley75 because we have the same questions