## TEKS.HS.G.12A: Apply theorems about circles, including relationships among angles, radii, chords, tangents, and secants, to solve non-contextual problems.

There are 85 resources.
Title Description Thumbnail Image Curriculum Topic

## VIDEO: Geometry Applications: Circles

### VIDEO: Geometry Applications: Circles In this program we explore the properties of circles. We do this in the context of two real-world applications.

Applications of Circles

## VIDEO: Geometry Applications: Circles, 1

### VIDEO: Geometry Applications: Circles, Segment 1: The Basics of Circles. We visit Chaco Canyon in New Mexico to explore the circular kivas and in the process discover how circular buildings have been used to study the heavens.

Applications of Circles

## VIDEO: Geometry Applications: Circles, 2

### VIDEO: Geometry Applications: Circles, Segment 2: Circles and Arcs. The Roman Coliseum is a large elliptical structure. Yet, the Romans likely used circular arcs to build it.

Applications of Circles and Definition of a Circle

## VIDEO: Geometry Applications: Circles, 3

### VIDEO: Geometry Applications: Circles, Segment 3: Chords and Inscribed Angles The Roman Pantheon is a domed structure that shows a keen awareness of the position of the sun throughout the year.

Applications of Circles and Definition of a Circle

## Interactive Math Game--Memory Game: Circles

### Interactive Math Game--Memory Game: Circles Use this math game to review circles. This is a Memory-style game in which students must remember the location of pairs of identical images.

Definition of a Circle

## Interactive Crossword Puzzle--Circles

### Interactive Crossword Puzzle--Circles This interactive crossword puzzle tests knowledge of key terms on the topic of circles.

Definition of a Circle

## Math in the News: Issue 88--Examining the Polar Vortex

### Math in the News: Issue 88--Examining the Polar Vortex January 2014. In this issue of Math in the News we examine the Polar Vortex.

Applications of Circles

## INSTRUCTIONAL RESOURCE: Math Examples 1

### INSTRUCTIONAL RESOURCE: Math Examples--Circular Area and Circumference This set of tutorials provides 23 examples of solving for the area and circumferences of circles and sections of circles.

Area and Circumference

## Google Earth Voyager Story: Circular Structures, Part 1

### Google Earth Voyager Story: Circular Structures, Part 1 In this activity, learn about the architecture of the Roman Colosseum.

Applications of Circles

## Google Earth Voyager Story: Circular Structures, Part 2

### Google Earth Voyager Story: Circular Structures, Part 2 In this activity, learn about the architecture of the Roman Pantheon.

Applications of Circles and Cylinders

## Definition--Circle Concepts--Diameter

### Definition--Circle Concepts--Diameter This is a collection of definitions related to circles and related topics. This includes general definitions for parts of a circle, constructions involving circles, and other topics.

Definition of a Circle

Right Triangles

## Definition--Theorems and Postulates--Perpendicular Bisector Theorem

### Definition--Theorems and Postulates--Perpendicular Bisector Theorem This is part of a collection of definitions of geometric theorems and postulates.

Definition of a Line

Right Triangles

## Definition--Theorems and Postulates--AAS Theorem

### Definition--Theorems and Postulates--AAS Theorem This is part of a collection of definitions of geometric theorems and postulates.

Definition of a Triangle

## Definition--Circle Concepts--Radius of a Circle

### Definition | Circle Concepts | Radius of a Circle This is part of a collection of definitions related to circles and related topics. This includes general definitions for parts of a circle, constructions involving circles, and other topics.

Definition of a Circle

## Definition--Theorems and Postulates--Alternate Interior Angles Theorem

### Definition--Theorems and Postulates--Alternate Interior Angles Theorem This is part of a collection of definitions of geometric theorems and postulates.

Definition of an Angle

## Definition--Theorems and Postulates--Same-Side Interior Angles Postulate

### Definition--Theorems and Postulates--Same-Side Interior Angles Postulate This is part of a collection of definitions of geometric theorems and postulates.

Definition of a Triangle

## Definition--Circle Concepts--Circular Arc

### Definition--Circle Concepts--Circular Arc This is a collection of definitions related to circles and related topics. This includes general definitions for parts of a circle, constructions involving circles, and other topics.

Definition of a Circle

## Definition--Theorems and Postulates--SAS Theorem

### Definition--Theorems and Postulates--SAS Theorem This is part of a collection of definitions of geometric theorems and postulates.

Definition of a Triangle

## Definition--Circle Concepts--Arc Length

### Definition--Circle Concepts--Arc Length This is a collection of definitions related to circles and related topics. This includes general definitions for parts of a circle, constructions involving circles, and other topics.

Definition of a Circle

## Definition--Theorems and Postulates--SAS Similarity Theorem

### Definition--Theorems and Postulates--SAS Similarity Theorem This is part of a collection of definitions of geometric theorems and postulates.

Definition of a Triangle

## Definition--Theorems and Postulates--ASA Theorem

### Definition--Theorems and Postulates--ASA Theorem This is part of a collection of definitions of geometric theorems and postulates.

Definition of an Angle

## Definition--Circle Concepts--Secant to a Circle

### Definition--Circle Concepts--Secant to a Circle This is a collection of definitions related to circles and related topics. This includes general definitions for parts of a circle, constructions involving circles, and other topics.

Definition of a Circle

## Definition--Circle Concepts--Center of a Circle

### Definition--Circle Concepts--Center of a Circle This is a collection of definitions related to circles and related topics. This includes general definitions for parts of a circle, constructions involving circles, and other topics.

Definition of a Circle