Answers About Geometry: Difference between revisions
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<br>C = 81 pi = 2pi r<br><br>Hence<br><br>2 pi r = 81pi<br><br>r = 81 pi / | <br>C = 81 pi = 2pi r<br><br>Hence<br><br>2 pi r = [https://spinpg1.com/ SPINPG] 81pi<br><br>r = 81 pi / 2 pi<br><br>Cancel down<br><br>r = 40.5<br><br>A = pi r^(2)<br><br>A = pi ( 40.5)^(2)<br><br>A = 1640.25 pi units^(2)<br><br> | ||
Revision as of 06:32, 24 September 2026
C = 81 pi = 2pi r
Hence
2 pi r = SPINPG 81pi
r = 81 pi / 2 pi
Cancel down
r = 40.5
A = pi r^(2)
A = pi ( 40.5)^(2)
A = 1640.25 pi units^(2)