Chapter 12



Where's the math?

A satellite in orbit.

A satellite transits information back and forth from Earth. The views from a satellite or space shuttle are awesome! The distance a satellite or shuttle is from Earth determines how much of Earth you can see.

In this chapter, you will apply theorems you learned in earlier chapters to segments touching circles.



Expressing Geometric Properties with Equations

Big Ideas

Reasoning and Proof

Essential Question: How can you prove relationships between angles and arcs in a circle?


Essential Question: When lines intersect a circle or within a circle, how do you find the measures of resulting angles, arcs, and segments?

Coordinate Geometry

Essential Question: How do you find the equation of a circle in the coordinate plane?

Remind Stream

Wall of Wisdom