In the Illustration You Ll Notice That the Diameter of a Metal

question 29

Multiple Choice

In the illustration you ll notice that the diameter of a metal washer is a = 10 centimeters. The diameter of the hole is b = 3 centimeters. How many square centimeters of metal are there in 48 washers? Express the answer in terms of $$\pi$$ .

• A) \(1,092 \pi \mathrm { cm } ^ { 2 }\)
• B) \(1,082 \pi \mathrm { cm } ^ { 2 }\)
• C) \(1,112 \pi \mathrm { cm } ^ { 2 }\)
• D) \(1,102 \pi \mathrm { cm } ^ { 2 }\)
• E) none of these

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