Demonstrates solutions to problems #41-45 of California Geometry released state test questions. Problems address finding volumes of rectangular prisms, exterior angles, interior angle sum, and exterior angle sum. [10:53]

Demonstrates how to determine that the exterior angle sum of a convex polygon is 360 degrees. Practice problems available. [5:24]

Demonstrates how to find the sum of the exterior angles of an irregular pentagon by breaking the pentagon into three triangles and using the triangle sum theorem. [8:37]

Students explore a more elegant way to find the sum of the exterior angles of a convex polygon.