Quiz 8.4-8.6

• A 2113 ft

• B 3190 ft

• C 8463 ft

• D 9585 ft

• F 3.3

• G 6.3

• H 6.6

• J 7.1

• A 33 degrees

• B 40 degrees

• C 54 degrees

• D 59 degrees

• F 26.0

• G 20.4

• H 12.6

• J 9.9

• A 1 degree

• B 35 degrees

• C 55 degrees

• D 89 degrees

• F 5.9

• G 6.1

• H 25.0

• J 49.0

• A 15 degrees

• B 17 degrees

• C 73 degrees

• D 85 degrees

Which of the following formulas shows the Law of Cosines?

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

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Identify the Law of Sines

• Sin²x + Cos²x =1
• Sin(A)/a = Sin(B)/b = Sin(C)/c
• Sin(A)Sin(B)Sin(C) = 1
• Soh-Cah-Toa

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11