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Name |
Area of Circle |
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Equation |
A
=
π
r
2
=
1
2
c
r |
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Definition of terms |
A = area, r = radius, c = circumference |
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Comments |
The area of a circle is equal to π times the square the radius, or half the circumference times the radius. |
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References |
CRC Standard Mathematical Tables , 26th edition, CRC, 1981 |
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