Area of a Triangle: Heron's Formula
You'll calculate the area of a triangle when given only the lengths of its sides.
Surface Area of a Right Prism
You'll practice calculating the lateral surface area and total surface area of a prism.
Gill's Angles: Angles, Triangles, Parallel Lines, Transversals
Angles, Triangles, Parallel Lines, Transversals
Surface Area of a Cone
You'll practice calculating the surface area of a right circular cone.
Right Triangles: Find the Missing Side
You'll practice finding the missing side of a right triangle when you're given two sides.
Area of a Ring (Annulus)
You'll learn to calculate the area of a ring (annulus).
Volume of a Sphere
You'll practice calculating the volume of a sphere.
Polygons: Basic Terminology
You'll practice identifying polygons and parts of polygons.
Math Jeopardy!
Shapes
Geometry Challenge
Geometry review questions