A pipe has a 4.05-in. outside diameter and a 3.8-in. inside diameter. (See the illustration.) Find the area of its cross section. Use the rules for working with measurements. A) The area is 0.785 in ². B) The area is 3.08 in ². C) The area is 0.771 in ². D) The area is 6.17 in ². E) The area is 1.54 in ².

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The Answer of A pipe has a 4.05-in. outside diameter and a 3.8-in. inside diameter. (See the illustration.) Find the area of its cross section. Use the rules for working with measurements. A) The area is 0.785 in ². B) The area is 3.08 in ². C) The area is 0.771 in ². D) The area is 6.17 in ². E) The area is 1.54 in ².

A Pipe Has a 4