SOLUTION: A semicircular window of radius 16 inches is to be laminated with a sunblock coating that costs $0.65 per square inch to apply. what is the total cost of coating the window, to the

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: A semicircular window of radius 16 inches is to be laminated with a sunblock coating that costs $0.65 per square inch to apply. what is the total cost of coating the window, to the      Log On

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Question 260926: A semicircular window of radius 16 inches is to be laminated with a sunblock coating that costs $0.65 per square inch to apply. what is the total cost of coating the window, to the nearest cent? (Use n=3.14. Hint: Area of Circle: A=nr^2)
Answer by Greenfinch(383) About Me  (Show Source):
You can put this solution on YOUR website!
Area = 1/2 ( 3.14 x 256) x cost
= 401.92 x cost
= $261.25