1.
1. A volcanic plug shaped like a cone has a diameter of 24 km and a height of 3 km.
What is the volume of the plug?
Use 3.14 to approximate pi, and express your final answer in hundredths.
_____ km3
2.
Ellie’s bird feeder is shaped like a cone with a height of 24 in. and a radius of 3 in. Packages of bird seed are cylindrical and come in different sizes.
What is the height of the package that has a radius of 6 in. and contains exactly enough bird seed to fill the feeder?
Use 3.14 to approximate pi.
_____ in.
3. Dosha is creating a new dessert that has two layers shaped like cones. The inner cone is frozen ice cream and has a diameter of 12 cm and a height of 6 cm. The outer layer is a thin wafer shell, like an upside-down ice cream cone, with a height of 15 cm and the same diameter as the inner layer. Dosha will inject a cream filling into the space.
What is the volume of the cream filling?
Use 3.14 to approximate pi and express your final answer in hundredths.
____cm3
5.
A hose dispenses 1413 cm3 of water every minute into a cone with a radius of 60 cm and a height of 150 cm.
How long will it take to fill the cone?
Use 3.14 to approximate pi.
min