## Unit 10: Circles

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### Overview

*In this unit, you will study circles. Circles have many properties and additional pieces that make them extremely useful for solving problems. You will use various discovery techniques to determine these relationships. Amongst the pieces you will study are central and inscribed angles, arcs, chords, tangents, and secants. You will also use these special pieces and their properties to solve real world applications.*

**Developed By:** Gretchen Gibson

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## Pre-Unit Assessment

## Lesson 1

Angles and Arcs

## Lesson 2

Arcs and Chords

## Lesson 3

Tangents

## Lesson 4

Secants, Tangents, and Angles

## Lesson 5

Segments of a Circle

## Lesson 6

Properties of Circles

## Lesson 7

Circles as Conics on the Coordinate Plane