An Inscribed Circle

Strategies and Hints

  1. Segment DO. It has a measure of 7.

  2. The theorem can be used to locate the points of tangency on sides and . It is 7 units from D to the point where is tangent to the circle. Once the tangent points are located on and , the length of is found by adding 2 and 2.


The measure of is 4.


The McGraw-Hill Companies