Definition of a Circle | Radius of a Circle | MathHelp.com @yourteachermathhelp
Definition of a Circle | Radius of a Circle | MathHelp.com  @yourteachermathhelp
Uploaded January 2016 | Updated September 2026, 2 weeks ago
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This lesson covers the definition of a circle and the radius of a circle. Students learn the definitions of a circle, a radius, a chord, a diameter, a secant, a tangent, congruent circles, concentric circles, an inscribed circle, and a circumscribed circle. Students are then asked to identify or draw these figures in given problems.
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Definition of a Circle | Radius of a Circle | MathHelp.com

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