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7 June, 02:17

In ΔDEF, the measure of ∠F=90°, the measure of ∠D=49°, and DE = 3.1 feet. Find the length of FD to the nearest tenth of a foot.

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  1. 7 June, 05:55
    0
    2.0

    Step-by-step explanation:

    cos 49 = FD/3.1

    FD = 3.1 cos 49 = 2.033 = 2.0
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