Law of Sines

Question 1

Law of sines:

Revolt · Accepted Answer

34°

Question 2

Law of sines:

Revolt · Accepted Answer

2.3 units and 7.8 units

Question 3

What is the length of line segment RS? Use the law of sines to find the answer. Round to the nearest tenth.

Revolt · Accepted Answer

2.4 units

Question 4

Triangle X Y Z is shown. Angle X Y Z is 75 degrees and angle Y Z X is 50 degrees. The length of X Y is 2 and the length of X Z is y.

Revolt · Accepted Answer

2.5 units

Question 5

Law of sines:

Revolt · Accepted Answer

3.2 units

Question 6

Law of sines:

Revolt · Accepted Answer

2.1 units

Question 7

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:

Revolt · Accepted Answer

3.0 meters

Question 8

Law of sines:

Revolt · Accepted Answer

StartFraction sine (100 degrees) Over 3.5 EndFraction = StartFraction sine (S) Over 2.4 EndFraction

Question 9

Consider the diagram and the proof below.Given: In △ABC, AD ⊥ BCProve:

Revolt · Accepted Answer

csin(B) = bsin(C)

Question 10

Use the law of sines to find the value of w.Law of sines:

Revolt · Accepted Answer

4.0 cm

Law of Sines Answers

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