Answers

2014-02-17T10:44:58+08:00
Use this formula  \pi *r^{2}
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Is this right?
If the radius is 5. Does it mean 3.14x5x5=N ?
YES
Thanks!
2014-02-17T20:49:24+08:00
To solve the area of the circle in:                                                                                        DIAMETER: PIE SQUARED
     RADIUS: PIE R SQUARED

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