CK-12 Geometry-Concepts

http://www.ck12.org Chapter 9. Circles

3.

Answers

For all problems, use the Intersecting Chords Theorem.

15 · 4 = 5 ·x

60 = 5 x

x= 12

2.

18 ·x= 9 · 3

18 x= 27

x= 1. 5

3.

12 ·x= 9 · 16

12 x= 144

x= 12

Interactive Practice