APPROXIMATING THE AREA OF A CIRCLE

Author:: Jack D. Gittinger

Topic:: Area, Circle

Instructions

So why does the area of a circle equal pi times the radius times the radius? Area = pi X r X r Area = pi X r² Experiment with this GeoGebra applet to find out.

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Shade a spheric triangle with "surface".
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Example 3
SEGMENTOS CONGRUENTES GEOGEBRA
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Seme življenja 1...
Normal to the Surface

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Quadrilaterals
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