SOLUTION: What is the area of a disk with a radius Z hieght A?Explain.

Algebra ->  Surface-area -> SOLUTION: What is the area of a disk with a radius Z hieght A?Explain.       Log On


   

Question 902287: What is the area of a disk with a radius Z hieght A?Explain.











Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Surface area?
Front and back faces : A%5Bs1%5D=2%2A%28pi%2AR%5E2%29=2piZ%5E2
Cylindrical portion : A%5Bs2%5D=2%2Api%2AR%2AH=2%2Api%2AZ%2AA
Total area : A%5Bs%5D=2pi%2AZ%5E2%2B2pi%2AZA
A%5Bs%5D=2pi%2AZ%28Z%2BA%29