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Learners study the properties of a sphere and use geometric formulas to find volume and surface area.
By Allen Reed, Douglas Jensen
Learners examine the properties of a triangle and work practice problems to find a triangle's perimeter and area.
Strength of Materials: The Centroid of a Triangle
By Steve Whitmoyer
In this animated and interactive object, learners calculate the area and centroid of a triangle.
In this animated activity, learners read the definition of a parallelogram and then find the perimeter and area of parallelograms in practice problems.
By Michele Williams
In this learning activity you'll use the Pythagorean Theorem to calculate the lengths of the legs and hypotenuse of a right triangle.
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