Law of Sines & Law of Cosines (BFA)

Which of the following formulas shows the Law of Cosines? (a)  

• c2 = a2 + b2 - 4ac + cosA
• c2 = a2 - b2 - 2abcosC
• c2 = a2 + b2 - 2abcosC
• (cos A)/a = (cos B)/b

Which Law would you use? (a)  

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

Which Law would you use? (a)  

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

Which Law would you use? (a)  

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

What is the length of side x? (a)  

• 130 cm
• 112 cm
• 150 cm
• 105 cm

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find angle A

Mathematical Equivalence

ON

Tags

CCSS.HSG.SRT.B.4

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

What is the length of side x? (a)  

• 6.57 cm
• 7 cm
• 7.44 cm
• 26.33 cm

What are the possible criteria for Law of Sines? (a)  

• SSA, ASA, AAS
• AAS, SSS, ASA
• SAS, SSS, ASA
• SAS, AAS, ASA

What are the possible criteria for the Law of Cosines? (a)  

• SSA, SSS
• SSA, ASA
• SSS, SAS
• AAS, ASA

• D
• A
• B
• C

Tags

CCSS.HSG.SRT.C.8

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11