Title  Description  Thumbnail Image 

Instructional Resource: TINspire Activity: Exploring the Ratio of Circumference to Radius as a Linear Function 
In this TINspire Activity, use the Geometry and Graphing Tools to explore the ratio of Circumference to Radius as a linear function. Note: The Preview is a Google Slide Show and the download is a PPT. Subscribers to Media4Math can download resources. 

Math Examples Collection: Trig Ratios and Radian Measure 
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Math Examples Collection: Radian Measure 
Overview 

Closed Captioned Video: Geometry Applications: Circles 
Closed Captioned Video: Geometry Applications: CirclesIn this program we explore the properties of circles. We do this in the context of two realworld applications. In the first, we look at the design of the Roman Coliseum and explore how circular shapes could have been used to design this elliptical structure. 

Closed Captioned Video: Geometry Applications: Circles, 1 
Closed Captioned 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. 

Closed Captioned Video: Geometry Applications: Circles, 2 
Closed Captioned 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. This segment explores the properties of circles and shows how arcs can be used to create elliptical shapes. 

Closed Captioned Video: Geometry Applications: Circles, 3 
Closed Captioned Video: Geometry Applications: Circles, Segment 3: Chords and Inscribed AnglesThe Roman Pantheon is a domed structure that shows a keen awareness of the position of the sun throughout the year. The source of light from the top of the dome allows for the exploration of chords, inscribed angles, central angles, and intercepted arcs. 

Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 16 
Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 16This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 15 
Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 15This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 14 
Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 14This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 13 
Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 13This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 12 
Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 12This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 11 
Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 11This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 10 
Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 10This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 9 
Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 9This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 8 
Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 8This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 7 
Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 7This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 6 
Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 6This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 5 
Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 5This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 4 
Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 4This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 3 
Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 3This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 2 
Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 2This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 1 
Math ExampleAngle ConceptsUsing Trig Ratios to Measure RadiansExample 1This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsRadian MeasureExample 10 
Math ExampleAngle ConceptsRadian MeasureExample 10This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 

Math ExampleAngle ConceptsRadian MeasureExample 9 
Math ExampleAngle ConceptsRadian MeasureExample 9This is part of a collection of math examples that focus on measuring angles or calculating their measurements. 