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    Practical Problems in Mathematics for Heating and Cooling Technicians
  4. Exam
    Exam 36: Lengths of Arcs of Circles
  5. Question
    A Rectangular 45° Duct Is 7 Inches Wide
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A Rectangular 45° Duct Is 7 Inches Wide

Question 2

Question 2

Short Answer

A rectangular 45° duct is 7 inches wide. The radius of the throat is 5 inches. What is the arc length of the heel to the nearer 16th inch?

Correct Answer:

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