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21 July, 22:00

Eric is hanging a rectangle mirror that has a diagonal of 50 inches with an angle depression of 60 degrees. How many square inches is the mirror. (Round to the nearest degree)

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  1. 21 July, 23:31
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    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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