haileysterling2005
Answered

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The Law of Sines: Mastery Test ? In triangle ABC, how long is side a if A = 24°, C = 55°, and c = 3? O 1.49 O 1.31 O 6.04 O 0.1 ​

The Law Of Sines Mastery Test In Triangle ABC How Long Is Side A If A 24 C 55 And C 3 O 149 O 131 O 604 O 01 class=

Sagot :

Luv2Teach

Answer:

Step-by-step explanation:

Using the Law of Sines, our proportion would be

[tex]\frac{sin24}{a}= \frac{sin55}{3}[/tex] and cross multiply to get

3sin24 = asin55 and solve for a:

[tex]a=\frac{3sin24}{sin55}[/tex] so

a = 1.49, the first choice.

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