CPM Homework Banner

Home > CCG > Chapter 10 > Lesson 10.2.3 > Problem 10-107

10-107.

Review circle relationships as you answer the questions below. Homework Help ✎

  1. On your paper, draw a diagram of with . If and the length of the radius of is , find the length of chord .

According to the Law of Cosines,

Therefore,

  1. Now draw a diagram of a circle with two chords, and , that intersect at point . If , , and , what is ?

Remember that intersecting chords create similar triangles, and that the corresponding sides of similar triangles have equal ratios.