Law of Sines and Cosines

Which Law would you use?

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

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which Law would you use?

• Law of Sines

• Law of Cosines

• Law of Tangents

• Law of Gravity

Find x, the measure of the angle.

• 52
• 33
• 41
• 29

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

What is the length of side x?

• 130 cm
• 112 cm
• 150 cm
• 105 cm

Find the measure of angle A.

• 53.6
• 13.3
• 113.1

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Use the Law of Cosines to find the value of x. 

• 41.7
• 51.7
• 61.7
• 71.7

_{^{Find the missing side}}

• 48
• 108
• 83.6
• 72

Tags

CCSS.8.G.B.7

Solve the Triangle
a=38, b= 31, c= 35
Find A, B and C

• A= 43°, B= 47°, C= 90°
• A= 70°, B= 50.1°, C= 59.9°
• A= 50.1°, B= 70°, C= 59.9°
• A= 60°, B= 70°, C= 50°

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which of the following is called "the ambiguous case"?

• SSS

• SAS

• SSA

• AAS

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Solve for angle A:

23² = 37² + 18² - 2(37)(18)cosA

• 29

• 151

• 90

• 0.87

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11