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28 August, 15:20

In ΔKLM, m = 5.3 inches, ∠K=21° and ∠L=88°. Find the length of k, to the nearest 10th of an inch.

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  1. 28 August, 18:22
    0
    20.9 ft

    Step-by-step explanation:

    This is a right triangle trigonometry question because N is 90 degrees. MN is adjacent to M and LM is the hypotenuse. Adjacent any hypotenuse use the cosine function.

    plug in known values

    switch cos (20) and x using the products property

    plug into calculator to get 20.9 ft
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