SA= πrs+πr^2
417π= π3s+π3^2
1310.0044137=π3s+π3^2
Divide by π
417 divide by π
132.7352225= 3s+3^2
Now I don't know what to do
If a cone has a Surface Area of 417π and a diameter of 6 determine its slant height.
2 answers
SA=πrs+πr^2
417π=π3S+π3^2
417π= π(3S+9
(417π)/π = [π(3s+9)]/π
417= 3s+9
417-9= 3s+9-9
408=3s
408/3=3s/3
136=S
417π=π3S+π3^2
417π= π(3S+9
(417π)/π = [π(3s+9)]/π
417= 3s+9
417-9= 3s+9-9
408=3s
408/3=3s/3
136=S