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15 June, 11:04

In triangle ABC, if the lengths of sides a and c are 8 centimeters and 16 centimeters, respectively, and the measure of angle c is 35, what is the measure of angle a to two decimal places?

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  1. 15 June, 12:50
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    Hello,

    a=8, c=16, C=35°

    sin A/a=SIN C/c (law of sinus)

    ==> sin A=a/c * sin C=8*16*sin35°=0,286788 ...

    ==>A=16,665768 ... °≈16.66°
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