Question

http://media01.owotw.com/o_geo_2010/12/img_geou12a_17.gif
A partial cylinder lies on its side. The bases are a 90° sector of a circle. What is the exact volume of the partial cylinder? (I have no clue how to sole partial cylinders)

Answer 1

ok if you think of this diagram as a quarter of a ful cylinder, and the equation of the cylinder is equal to
V= pi . r^2 . h
(used dots here to mean multiply as did not want to confuse with the letter x)
then we need 1/4 (pi . r^2 . h)
h= 10
r=8
1/4 (pi . 64 . 10)
= 160 pi

Answer 2

Thank you for explaining!

Answer 3

no problem.