if the height is 10.6
and surface area is 355.134
HOW DOES ONE FIND THE RADIUS?!
honestly if you can explain this to me i would be so appreciative
geometry question?
2016-12-12 12:47 pm
回答 (1)
2016-12-12 4:50 pm
A=2π*rh+2πr²
355.134= 2π*10.6r + 2πr²
2π*r² + 2π*10.6r - 355.124=0
Solve using the quadratic formula.
r ≈ 3.90
355.134= 2π*10.6r + 2πr²
2π*r² + 2π*10.6r - 355.124=0
Solve using the quadratic formula.
r ≈ 3.90
2016-12-12 12:54 pm
Of what shape?
收錄日期: 2021-04-24 00:08:21
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20161212044758AARhvam