SOLUTION: An aluminum plate is made according to the following dimensions. The outer radius is 12 inches and the inner radius is 5 inches. Use  = 3.14 as an approximate value. (a) H
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Question 327231: An aluminum plate is made according to the following dimensions. The outer radius is 12 inches and the inner radius is 5 inches. Use = 3.14 as an approximate value. (a) How many square inches in area is the aluminum plate? (b) If the cost to construct the plate is $5.50 per square inch, what is the construction cost?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Area of the outer circle minus the area of the hole in the middle:
)
^2\ -\ (5)^2))
You can do your own arithmetic.
John
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