Model 17 quiz

What equation can be used to solve for x?

• Sin(40°)= x/40 
• Sin(40º)=x/19
• Cos(40º)=x/19
• Tan(40°)=19/x

Use the Law of Sines to solve for BC

• 33
• 24
• 12
• 29

Find AB

• 10
• 8
• 6.1
• 4.9

What is cos^-1(0)?

• -180
• 90
• 0
• -90

What is the measure of angle A?

• 50 degrees
• 60 degrees
• 78 degrees
• 74 degrees

What equation can be used to solve for x?

• Sin(40°)= x/40 
• Sin(40º)=x/19
• Cos(40º)=x/19
• Tan(40°)=19/x

If you know the lengths of three sides to a triangle, what formula can you use to find an angle measure?

• Law of Sine
• Law of Cosine
• Law of Tangent
• Law of Sign

If you know the lengths of two sides and the angle between them, use this formula to find the side opposite the angle you know.

• Law of Sign
• Law of Cosine
• Law of Tangent
• Law of Sine

Find AB

• 10.03
• 8.04
• 6.10
• 4.93

Which Law would you use?

• Law of Sines
• Law of Cosines
• Law of the Jungle
• Law of Gravity