PLEASE HELP.find the solutions for a triangle with a =16 c =12 and b=63 degrees
2 answers:
A.16
b.12
c.63
try to have the triangle and draw a little drawling it will help
and start from there
Answer:
Side b is 15.02,
Angle C is 45.39° and angle A is 71.61°
Step-by-step explanation:
Let in triangle ABC,
BC = a = 16 unit,
AB = c = 12 unit,
∠B = 63°,
By the law of cosine,

By substituting the values,


By the law of sine,




∵ The sum of all interior angles of a triangle is supplementary,
⇒ ∠A + ∠B + ∠C = 180°
⇒ ∠A + 63° + 45.39° = 180°
⇒ ∠ A + 108.39° = 180°
⇒ ∠A = 71.61°
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