Curated OER
Ten Multiple-Choice Circle Problems
In this circle instructional activity, students solve ten multiple-choice questions concerned with the area, radius, diameter, and circumference of a circle. The solutions are provided by clicking on the "show answers" button on...
Curated OER
Geometry Worksheet: Area (6)
In this geometry instructional activity, 10th graders express the area of the ring between two concentric circles in terms of the length of a segment tangent to the smaller circle. The one page instructional activity contains a...