Respuesta :

Answer: x = 4.56

Step-by-step explanation:

Angle A = 20 degrees

x = BC

sin(20) = x/5

multiply 5 on both sides

5sin(20) = x

x = 4.56

Answer:

1.71

Step-by-step explanation:

Cosine = adjacent/hypotenuse

cos 70 = x/5

cos 70 = 0.3420201433

0.3420201433(5) = 1.710100716

x=1.710100716

x=1.71

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