heatwave221 heatwave221

27-10-2020
Mathematics

contestada

Don’t understand how to do it help plz

Dont understand how to do it help plz class=

Respuesta :

surjithayer10 surjithayer10

27-10-2020

Answer:

D

Step-by-step explanation:

b=13,∠C=90°,∠A=76°,∠B=90-76=14°

by sine formula

[tex]\frac{13}{sin ~14} =\frac{a}{sin~76} \\a=\frac{13 ~sin~76}{sin~14} \approx~52.14\\\approx~52.1[/tex]

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