2006-09-02 17:16:23 · 3 answers · asked by jhen_hidaka 1 in Education & Reference ➔ Higher Education (University +)
by integration proof......please
2006-09-02 17:52:49 · update #1
i know the area of circle that is pi*r^2...but how it come up...i dobt know that,please help by intefration proof
2006-09-02 17:56:08 · update #2
use by integration proof i mean
2006-09-02 19:56:18 · update #3
r squared times PI
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2006-09-02 17:19:29 · answer #1 · answered by Anonymous · 0⤊ 0⤋
"pi" r square. Pi (3.14) times (the radius squared)
and to think that some people insist that "pi r round" (lol)! Like if the radius is 4, you square that (16) and then multiply that times pi.
2006-09-03 00:28:21 · answer #2 · answered by Joya 5 · 0⤊ 0⤋
Pi multiplied by R squared
2006-09-03 00:29:37 · answer #3 · answered by Toast 2 · 0⤊ 0⤋