Charleston School District
Applications of the Pythagorean Theorem
Use patterns to your advantage! The Pythagorean Theorem allows learners to find missing sides of right triangles. Problems include those with both rational and irrational lengths.
Oswego City School District
Regents Exam Prep Center: Pyramids
What is a pyramid? Find a definition, example images, and formulas for finding the volume and surface area of a pyramid if given base and height measurements. Includes a very brief look at a pyramid in Egypt and its measurements.
CK-12 Foundation
Ck 12: Geometry: Pyramids and Cones Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide reviews the surface area and volume of pyramids and cones.
Math Words
Math Words: Frustum of a Cone or Pyramid
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.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Faq, Geometric Figures
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.
Math Open Reference
Math Open Reference: Cone
Use this interactive tool to explore cones. Change the height and the radius to see how these affect the cone. There is also the option of making an oblique cone. Properties of a cone are discussed, how to use formulas to calculate the...