Geometry
Triangles, circles, area and volume, the coordinate plane. 34 practice problems, each with an animated walkthrough.
- 21Surface area of a rectangular box
- 22Similar figures and area
- 23Tangent to a circle and the Pythagorean theorem
- 24Inscribed and central angles
- 25Volume of a cone
- 26Finding an endpoint from a midpoint
- 27Triangle inequality
- 28Area of a shaded region, circle and inscribed square
- 29Scale drawings
- 30Interior angle of a regular polygon
- 31Supplementary angles with algebra
- 32Area of a triangle
- 33Pythagorean theorem, paths at right angles
- 34Rotation about the origin