Find r if T.A=12Pi and L.A =8Pi
2 answers
Whatever language you are speaking I am not familiar with it.
sounds like a cylinder.
2πr^2 + 2πrh = 12π
2πrh = 8π, so
2πr^2 + 8π = 12π
2πr^2 = 4π
r^2 = 2
r = √2
and r = √6
2πr^2 + 2πrh = 12π
2πrh = 8π, so
2πr^2 + 8π = 12π
2πr^2 = 4π
r^2 = 2
r = √2
and r = √6
1 answer