Law of Sines and Cosines: Check for Understanding

Find <A.

• 50 degrees

• 60 degrees

• 78 degrees

• 74 degrees

What is the length of side x?

• 130 cm
• 112 cm
• 150 cm
• 105 cm

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Use Law of Cosines to find XZ

• 16.0 meters

• 544.2 meters

• 34.7 meters

• 1204.2 meters

Use the triangle sum theorem AND law of sines to solve for side BC.

• 33

• 24

• 12

• 29

Which Law would you use to solve for Angle B?

• Law of the Jungle

• Law of Cosines

• Law of the Gravity

• Law of Sines

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

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

Use the Law of Cosines to find the value of x.  (Level 1)

• 41.7
• 51.7
• 61.7
• 71.7

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Use Law of Sines to solve for angle A.

• 25

• 127

• 34

• 19

Use Triangle sum theorem AND Law of Sines to find BC

• 29

• 24

• 27

• 28

Find m<C

• 51.7

• 49.8

• 46.5

• 40.9