SOLUTION: An expression that occurs in geometry is 2Πr(r + h). If r and h are measured in units of length and Π is a dimensionless constant, which of the following does the express

Algebra ->  Formulas -> SOLUTION: An expression that occurs in geometry is 2Πr(r + h). If r and h are measured in units of length and Π is a dimensionless constant, which of the following does the express      Log On


   

Question 935845: An expression that occurs in geometry is 2Πr(r + h). If r and h are measured in units of length and Π is a dimensionless constant, which of the following does the expression most likely measure?
A. a dimensionless quanity
B. length
C. area
D. volume
Answer by MathLover1(20850) About Me  (Show Source):
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If r and h are measured in units of length, and pi is a dimensionless constant, then the expression 2%2Api%2Ar%28r+%2B+h%29 most likely measure area (it's surface area of the cylinder )
so, answer is C. area