In an triangle C=105° ,B=45° ,a=2 find b.

Question

In an triangle C=105° ,B=45° ,a=2 find b.

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Isabelle 1 month 2021-10-28T00:28:46+00:00 2 Answers 0 views 0

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    0
    2021-10-28T00:29:52+00:00

    Answer:

    Hope my answer helps you

    0
    2021-10-28T00:30:44+00:00

    Step-by-step explanation:

    So, let’s get started-

    In the question, angle c= 105°,

    Then, angle B= 45

    So, angle a=45° (obviously)

    And, AC= 2unit (as you have not provided any specific unit)

    So, applying the so called, “Sine Theorem” over here-

    sin B/AC = sin C/AB

    So, sin 30°/82= sin 45°/AB

    Let’s get this quick-

    Putting the value of sin 30° and sin 45°,

    AB= 2*{(2)^(1/2)} unit

    So, AB= 2*1.414 unit

    Thus, we arrived at our final result-

    AB= 2.828unit (approximately)

    or b=2.828unit it’s may be

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