Download wksht 5 spheres

CCSS Algebra 8 – Volume - Spheres
Name _________________________________ Date __________
Period ________
Wksht 5 Volume of Spheres
Find the volume for each figure. Give your answers in terms of π or round decimals to the nearest ten-thousandth.
______________1.
1m
______________3.
16 yd
______________5.
A = 49π cm²
______________7.
10 in.
______________2.
21 in.
______________4.
18 cm
______________6.
A = 81π in²
______________8.
11 in.
9. Sarah is blowing up spherical balloons for her brother’s birthday party. One of the balloons has a radius of 3 inches.
Give your answers as decimals rounded to the nearest ten-thousandth.
a. What is the volume of each balloon?
b. Suppose Sarah can inflate the balloon at a rate
of 200 cubic inches per minute. How long will it
take her to inflate the balloon?