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Ne4ueva [31]
3 years ago
10

Which expression represents the approximate length of bc?

Mathematics
2 answers:
bonufazy [111]3 years ago
6 0

Hello from MrBillDoesMath!

Answer:

BC = 3 * sin (66)/ sin(38)

Discussion:

From the law of sines:

sin(38) /3 = sin(66)/ BC

BC *  (  sin(38)/3 )  = sin(66)        => multiply both sides by BC

BC = sin(66) /  ( sin(38)/3)           => multiply both sides by ( 3/sin(38) )

BC = 3 * sin (66)/ sin(38)

which is the first choice.

Regards,  

MrB

P.S.  I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!


sashaice [31]3 years ago
4 0

Answer:

answer is A

Step-by-step explanation:..

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