Last updated: October 22, 2026 · Written by the Math Made Easy math teachers

Standards: G-GMD.B.4, G-MG.A.1, G-MG.A.2, G-MG.A.3 · Level: Grade 10 Geometry
Question 1 Name the Cross Sections (2 points)
Name the cross section: (a) a plane parallel to the base of a cone (1 point); (b) a plane through the axis of a cylinder (1 point).
Question 2 Slice of a Cone (2 points)
Find the radius (1 point) and area (1 point) of the cross section.
Question 3 Rotated Triangle (2 points)
The triangle is rotated about the leg of length 9. Name the solid (1 point) and find its volume to the nearest tenth (1 point).
Question 4 Compare Densities (3 points)
County A has 28,350 residents on 63 square miles. County B has 120,900 residents on 190 square miles. Find each density to the nearest tenth and state which county is more crowded.
Question 5 Furnace Choice (3 points)
A room is 20 feet by 15 feet with a ceiling 9 feet high. It needs 24 BTUs per cubic foot. Furnace A delivers 60,000 BTUs and furnace B delivers 75,000 BTUs. Find the BTUs needed and decide which furnaces are large enough.
Question 6 Design a Container (3 points)
A cylindrical container must hold exactly 1 liter (1,000 cubic centimeters) and have radius 5 centimeters. Find its height to the nearest tenth of a centimeter and decide whether it fits on a shelf 12 centimeters tall.
Question 7 Grain Bin (3 points)
A grain bin is modeled as a cylinder with radius 8 feet and height 20 feet. One bushel is about 1.244 cubic feet. How many bushels can it hold, to the nearest bushel?
Question 8 Rotate the Shape (2 points)
Name the solid formed when (a) a rectangle is rotated about one of its sides (1 point); (b) a half disk is rotated about its diameter (1 point).

