This page brings you to a table of contents of three-dimensional figures. Selecting a figure will bring you to a page defining and illustrating the figure with applicable formulas listed.

Learn about the volume of a pyramid with this helpful reference tool. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.

Use the formula to find the volume of a cone.

A written description of the different conic sections is described at this site from the Math Forum. The description identifies the importance of the eccentricity in determining the type of conic.

Students will investigate the relationship between surface area and volume and their application to the inner workings of real life organisms.

A complete reference guide to solid geometry. The mathematics resource provides definitions and interactive activities that enhance further explanation.

The geometry resource investigates the volume of pyramids and cones. Formulas, examples, and practice exercises are included.

This question and answer site gives the formulas for area and volume of a cone.

This question and answer site poses a problem dealing with the volume of a partly filled cone.

This question and answer site deals with finding the diameter of one end of a frustum of a cone when you know the diameter and angle of the end as well as the length of the cone.

This site defines a frustum and has links to related topics. The site offers the formula for the lateral area, volume, and total surface area of frustum of a cone.

Learn how to use the formula to solve the volume and surface area of a cone on this site.

Compare a cone and a pyramid with this handy reference guide. Provides a detailed definition and an interactive activity that enhances further explanation. Includes links to related topics.

This interactive exercise focuses on comparing volumes between figures that have the same height and diameter and drawing conclusions based on the ratios of the sizes.

Percy the Penguin needs to clean up his 3D shaped toys. Can you help him?

Let Peter the Bus driver help you learn about 3D objects.

For this inquiry-based lesson, learners will discover the formulas for the surface area of pyramids and cones. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.

This site describes the concept of oblique, expressing both triangles and three dimensional solids. Be sure to use the links to related terms, everyday examples, challenging problems, more information, and the interactive check point...

The resource investigates the cylinder. Students learn about surface area, volume, and different types of cylinders. Definitions, animations, formulas, and practice questions are included.

Learn about volumes of revolution with this handy reference guide. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.

In this exercise, students practice volume word problems with cones, cylinders, and spheres. Students receive immediate feedback and have the opportunity to watch a video, get hints, or try questions repeatedly.

Solve problems concerning real-world situations with the volumes of cones, cylinders, and spheres. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Print out these colorfully illustrated PDF file pages to practice learning your basic three dimensional geometric solids. Fold them in half and one side shows the shape while the other side shows the shape with the correct name. Put them...

This site from the Math Forum provides Dr. Math as he explains that whether or not a cone has an edge depends on the type of cone. The information is somewhat brief, but factual, and worth checking out on the subject.