Can someone show me how to work out this problem?

S=2 pie radius² + 2 pie radius height (Surface area of a right circular cylinder); If S=154 pie when radius = 7. find height

Relevance
• 9 years ago

h=4

solutions is

then you will get

cancel the pie on both sides and then substitute the value of radius=7

by simple solving you will get h=4

• 9 years ago