Don’t understand how to do it help plz

asked Mar 3, 2021 164k views

0 votes

by Atrag

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4 votes

Answer:

Explanation:

b=13,∠C=90°,∠A=76°,∠B=90-76=14°

by sine formula

$(13)/(sin ~14) =(a)/(sin~76) \\a=(13 ~sin~76)/(sin~14) \approx~52.14\\\approx~52.1$

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