Understanding the Law of Sines

The video tutorial explains how to solve a triangle problem using the Law of Sines. Given two angles and one side, the tutorial demonstrates how to calculate the third angle and the other two sides. The process involves labeling the triangle sides and applying the Law of Sines to find the unknowns. The tutorial also provides a brief overview of the Law of Sines and its application in solving triangles.

What information is given about the triangle in the problem?

• Three angles

• Three sides

• Two angles and one side

• Two sides and one angle

Tags

CCSS.HSG.SRT.D.11

CCSS.HSG.SRT.D.10

What does the Law of Sines help us determine in a triangle?

• The area of the triangle

• The perimeter of the triangle

• The ratio of the sine of an angle to its opposite side

• The sum of the angles in a triangle

Tags

CCSS.8.G.A.5

How do you calculate the third angle of a triangle if you know two angles?

• Divide the two angles

• Add the two angles

• Multiply the two angles

• Add the two angles and subtract from 180

Tags

CCSS.HSG.SRT.C.6

What is the sine of a 30-degree angle?

• 0.707

• 1

• 0.866

• 0.5

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CCSS.HSG.SRT.C.7

What is the sine of a 45-degree angle?

• 0.5

• 0.866

• 0.707

• 1

Tags

CCSS.8.G.B.8

What is the approximate length of side A after solving the equation?

• 5.2

• 2.83

• 4.5

• 3.86

Tags

CCSS.HSG.SRT.C.8

What mathematical operation is used to solve for side A?

• Addition

• Division

• Subtraction

• Multiplication

Tags

CCSS.8.G.B.8

What is the approximate length of side B after solving the equation?

• 5.2

• 4.5

• 3.86

• 2.83

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

What is the relationship between the sides and angles in the Law of Sines?

• The sides are inversely proportional to the angles

• The sides are unrelated to the angles

• The sides are equal to the angles

• The sides are proportional to the sines of the angles

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

What can you determine if you have two sides and an angle in a triangle?

• Nothing else

• Everything else about the triangle

• Only the perimeter

• Only the area

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11