The circle
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The Circle PowerPoint PPT Presentation


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The Circle. Charlie Haffey Norwood Elementary Science. A Circle Is……. A type of line segment One end joins the other (loop) EVERY part of the line is the same distance from a single point Single point is the center. Definitions. Center. Circumference. Lines. Radius. Diameter. Tangent.

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The Circle

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The circle

The Circle

Charlie Haffey

Norwood Elementary Science


A circle is

A Circle Is……

  • A type of line segment

  • One end joins the other (loop)

  • EVERY part of the line is the same distance from a single point

  • Single point is the center


Definitions

Definitions

Center

Circumference


Lines

Lines

Radius

Diameter

Tangent


Dividing a circle

Dividing A Circle

  • One diameter

  • Two equal sections

  • Each section is ½

  • AKA one half


Dividing a circle1

Dividing A Circle

  • Two diameters

  • Four equal sections

  • Each section is ¼

  • AKA one fourth


Dividing a circle2

Dividing A Circle

  • 180 diameters

  • 360 equal sections

  • Each section is 1/360

  • AKA one three hundred sixtieth

  • AKA one degree


Here is an angle of 1 degree 1 o

Here is an angle of 1 degree (1o)

1o


360 degrees 360 o

360 degrees (360o)

  • End of diameters shown

  • Degrees labeled by 10s

  • Every degree marked

Circular Protractor

http://xt8dob.files.wordpress.com/2012/05/degree-wheel.png


The circle1

The Circle

Charlie Haffey

Norwood Elementary Science


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