11'3 Areas of Regular Polygons

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11.3 Areas of Regular Polygons Circles
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Formulas
r
Acircle pr2
Areg poly ½Pa
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Example
P60 Find A
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Example
A____
10
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Example
A____
10
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Example
Find area of equilateral triangle with P 54 cm
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Example
Ashaded
2
2
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Example
Ashaded
16 m
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ASSIGNMENT

• 11.3 worksheet