Ally is wearing a witch’s costume for Halloween. Her hat is in the shape of a cone with a diameter of 9 inches and a height of 14 inches. What is the volume of Ally’s hat? Use for pi.

382 in3

297 in3

1,188 in3

891 in3

Question

Ally is wearing a witch’s costume for Halloween. Her hat is in the shape of a cone with a diameter of 9 inches and a height of 14 inches. What is the volume of Ally’s hat? Use  for pi.

 382 in3

 297 in3

 1,188 in3

 891 in3

anonymous · Answer

do you know the formula of a cone

anonymous · Answer

do you know how cone looks like? :)

anonymous · Answer

|dw:1336245261003:dw|

anonymous · Answer

its volume formula is:

$$\LARGE  V=\frac13 \pi \cdot r^2\cdot  h$$

anonymous · Answer

okayyy now whaaat?

anonymous · Answer

h= height
r=radius

$$\LARGE d=2r$$
d=diameter
and you have height  h=14
diameter   d=9 

can you find  radius?

anonymous · Answer

how do you mean french...