SOLUTION: A semicircular window of radius 15 inches is to be laminated with a sunblock coating that costs $0.85 per square inch to apply. What is the total cost of coating the window, to the
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-> SOLUTION: A semicircular window of radius 15 inches is to be laminated with a sunblock coating that costs $0.85 per square inch to apply. What is the total cost of coating the window, to the
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Question 163989: A semicircular window of radius 15 inches is to be laminated with a sunblock coating that costs $0.85 per square inch to apply. What is the total cost of coating the window, to the nearest cent? (Use p = 3.14. Hint: Area of Circle: A = prē) Answer by nerdybill(7384) (Show Source):
You can put this solution on YOUR website! Since it is a SEMI circle the area is: (half a circle)
plugging in our values square inches (area of semicircle window)
.
Now, we multiply the area (above) by cost per inch:
That's $300.26 for the coating.
