HW: Volume Review, Part 2
Name: ____________________________________________
Check selected answers on Edmodo.
Due Date: May 8 Sec: ________
DIRECTIONS: Show all work and write units for all measurements.
1) ________________ A king-size waterbed mattress measures 72 in. by 84 in. by 9 in. Water weighs 62.4
pounds per cubic foot. An empty mattress weighs 35 pounds. How much does a full mattress weigh?
Round your answer to the nearest tenth of a pound.
2) _______________________; _______________________ Square pyramid ABCDE, with the largest
possible volume, is cut out of a cube with side length 2 cm. Find the volume and surface area of the
pyramid. Sketch the solid, include all necessary markings, and label all measurements.
In problems 3 and 4, find the volume of the solid generated by spinning each figure about the y-axis. Round your
answers to the nearest tenth of a cubic unit.
3) _____________________________
4) ________________________________
In problems 5 through 8, tell which volume is larger. Answer “C” if they are equal.
5) _________
6) _________
7) _________
8) _________
In problems 9 and 10, find the surface area of the solid generated by spinning each figure about the y-axis.
Round your answers to the nearest tenth of a square unit.
9) __________________________________
10)* __________________________________