alexisbc01
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Given: a = 640, A = 70°, B = 52° in triangle ABC ; find c . Round answers to the nearest whole number. Do not use a decimal point or extra spaces in the answer or it will be marked incorrect.

Respuesta :

Law of sines:
[tex]\frac{a}{\sin A}=\frac{b}{\sin B}=\frac{c}{\sin C}\\=\frac{640}{\sin 70}=\frac{c}{\sin (180-70-52)}\\\text{ then}\\c=\frac{640}{\sin 70}\sin (180-70-52)\\=577[/tex] 
kcmevuw9dn

Answer:

Side a = 640

Side b = 536.69346

Side c = 577.58332

Step-by-step explanation:

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