5
lesson pretestMultiple Choice

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Question 5 • Mathematics III

Law of sines: sine of cap A over A is equal to sine of cap b over b is equal to sine of cap c over c In triangle ABC , c is equal to 5 point 4 , A is equal to 3 point 3 , and m angle cap A is equal to 20 degrees What are the possible approximate lengths of b ? Use the law of sines to find the answer.

Answer
A
2 point 0 units and 4 point 6 units
B
2 point 6 units and 6 point 6 units
C
2 point 3 units and 7 point 8 units
D
2 point 1 units and 8 point 7 units
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