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Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook 1 May 25, 2017 Definitions of Some Parts of Circles

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Page 1: Definitions of Some Parts of Circles and Equations of Circles ......Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook 2 May 25, 2017 We measure circles

Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook

1

May 25, 2017

Definitions of Some Parts of Circles

Page 2: Definitions of Some Parts of Circles and Equations of Circles ......Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook 2 May 25, 2017 We measure circles

Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook

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May 25, 2017

We measure circles in two ways:1. Like angles, circles have a degree measure.  Recall that there are 360 degrees in every circle regardless 

of size.  So, like equilateral triangles, all circle are similar.  When we cut pieces out of the circle (arcs), they too, have a degree measure...a number greater that 0 but less than 360.

2. Circles also have a length measure...inches, feet, meters, etc.  That length measure is the circumference.  When we cut pieces out of the circle (arcs), they have a length that is a fractional part of the circumference.

Page 3: Definitions of Some Parts of Circles and Equations of Circles ......Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook 2 May 25, 2017 We measure circles

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Page 4: Definitions of Some Parts of Circles and Equations of Circles ......Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook 2 May 25, 2017 We measure circles

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Page 5: Definitions of Some Parts of Circles and Equations of Circles ......Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook 2 May 25, 2017 We measure circles

Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook

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Page 6: Definitions of Some Parts of Circles and Equations of Circles ......Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook 2 May 25, 2017 We measure circles

Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook

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Page 7: Definitions of Some Parts of Circles and Equations of Circles ......Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook 2 May 25, 2017 We measure circles

Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook

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Page 8: Definitions of Some Parts of Circles and Equations of Circles ......Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook 2 May 25, 2017 We measure circles

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Page 9: Definitions of Some Parts of Circles and Equations of Circles ......Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook 2 May 25, 2017 We measure circles

Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook

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Page 10: Definitions of Some Parts of Circles and Equations of Circles ......Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook 2 May 25, 2017 We measure circles

Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook

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May 25, 2017

­10 ­8 ­6 ­4 ­2 0 2 4 6 8 10

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Page 11: Definitions of Some Parts of Circles and Equations of Circles ......Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook 2 May 25, 2017 We measure circles

Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook

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May 25, 2017

­10 ­8 ­6 ­4 ­2 0 2 4 6 8 10

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­10 ­8 ­6 ­4 ­2 0 2 4 6 8 10

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Page 12: Definitions of Some Parts of Circles and Equations of Circles ......Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook 2 May 25, 2017 We measure circles

Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook

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­10 ­8 ­6 ­4 ­2 0 2 4 6 8 10

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Page 13: Definitions of Some Parts of Circles and Equations of Circles ......Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook 2 May 25, 2017 We measure circles

Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook

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Page 14: Definitions of Some Parts of Circles and Equations of Circles ......Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook 2 May 25, 2017 We measure circles

Definitions of Some Parts of Circles and Equations of Circles in the Plane.notebook

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May 25, 2017