Answers About Geometry
Revision as of 18:31, 25 September 2026 by AjaGepp5480819 (talk | contribs) (Created page with "<br>C = 81 pi = 2pi r<br><br>Hence<br><br>2 pi r = 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 [https://168lambo.us/ สล็อตเว็บตรง] pi units^(2)<br><br>")
C = 81 pi = 2pi r
Hence
2 pi r = 81pi
r = 81 pi / 2 pi
Cancel down
r = 40.5
A = pi r^(2)
A = pi ( 40.5)^(2)
A = 1640.25 สล็อตเว็บตรง pi units^(2)