In ΔGHI, i = 84 inches, g = 82 inches and ∠H=17°. Find the length of h, to the nearest inch.

Question

In ΔGHI, i = 84 inches, g = 82 inches and ∠H=17°. Find the length of h, to the nearest inch.

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Adela 5 years 2021-09-04T19:51:25+00:00 1 Answers 10 views 0

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  1. Dulcie
    0
    2021-09-04T19:52:52+00:00
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    Answer:

    25 inches

    Step-by-step explanation:

    Use law of cosine:

    c² = a² + b² − 2ab cos C

    h² = (84)² + (82)² − 2(84)(82) cos 17°

    h = 24.6

    Rounded to the nearest inch, h is 25 inches.

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