Law of Sines Answers
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Consider the diagram and the proof below.Given: In △ABC, AD ⊥ BCProve:
A
b = cB
StartFraction h Over b EndFraction = StartFraction h Over c EndFraction
C
csin(B) = bsin(C)D
bsin(B) = csin(C)2
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Use the law of sines to find the value of w.Law of sines:
A
1.4 cmB
4.0 cmC
6.0 cmD
7.3 cm3
Law of sines:
A
20°B
34°C
41°D
53°4
A support beam needs to be placed at a 28° angle of elevation so that the top meets a vertical beam 1.6 meters above the horizontal floor. The vertical beam meets the floor at a 90° angle.Law of sines:
A
3.0 metersB
3.4 metersC
3.9 metersD
4.4 meters5
Law of sines:
A
1.8 unitsB
2.0 unitsC
3.2 unitsD
3.7 units6
Law of sines:
A
52°B
59°C
64°D
67°7
Law of sines:
A
11.5°B
44.4°C
68.0°D
81.9°8
Law of sines:
A
2.9 unitsB
3.8 unitsC
5.1 unitsD
6.2 units9
Law of sines:
A
1.5 unitsB
2.1 unitsC
2.9 unitsD
3.6 units10
What is the length of line segment RS? Use the law of sines to find the answer. Round to the nearest tenth.
A
2.2 unitsB
2.4 unitsC
3.0 unitsD
3.3 unitsDid you find these answers helpful?
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