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13 June, 12:53

Eric is hanging a rectangle mirror that has a diagonal of 47 inches with an angle of depression of 60°. How many square inches is the mirror? (round to nearest tenth)

A) 956.5 in2

B) 1,104.5 in2

C) 1,365.5 in2

D) 1795.5 in2

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Answers (1)
  1. 13 June, 15:19
    0
    For a triangle the area is height x width but since we are given the diagonal and the angles we use the following formula:

    47sin60° * 47cos60°

    Area = 956.5 in2
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