Question

Find the volume of a cone with a diameter of 5 inches and a height that is 3 times the radius. Use 3.14 for pi and round your answer to the nearest hundredth
a. 49.06 in3
b. 78.51in3
c. 147.19 in3
d. 392.50 in3

Answer 1

@LastDayWork I got like 19.625 so I have no idea what I am doing wrong

Answer 2

What value did you use for
radius
height
??

Answer 3

For the radius I used 2.5 Height I used 7.5 @LastDayWork

Answer 4

& What formula did you use for calculating volume ??

Answer 5

v=1/3 Pi R^2 H

Answer 6

@LastDayWork

Answer 7

Maybe you are committing a calculation mistake.
See - http://www.wolframalpha.com/input/?i=%281%2F3%29*pi*%285%2F2%29*%285%2F2%29*%2815%2F2%29