A Rectangular Metal Duct Has a Width 8 In $h = 13 \text { in. }$

question 76

Multiple Choice

A rectangular metal duct has a width 8 in. If the area of a cross section is 104 in. ² , what is the height and the perimeter of a cross section?

• A) \(h = 13 \text { in. }\)
• B) \(h = 9 \mathrm { in } .\)
• C) \(P = 43 \text { in. }\)
• D) \(P = 42 \text { in. }\)
• E) \(h = 6.5 \text { in. }\)
• F) \(P = 21 \mathrm { in } .\)

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