A semicircular window of radius 12 inches is to be laminated with a sunblock coating that costs $0.80 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 = p r²

Question

A semicircular window of radius 12 inches is to be laminated with a sunblock coating that costs $0.80 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 =  p r²

anonymous · Answer

|dw:1326658312688:dw|

anonymous · Answer

|dw:1326658398204:dw| you want to find the area of the shaded part and multiply it by the cost