(Group) Law of Sine and Cosine Quiz Game

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

Find m<C

• A
• B
• C
• D

Find angle Z

• 20.145 degrees

• 71.232 degrees

• 51.055 degrees

• 57.713 degrees

Use Law of Cosines to find angle T

• 62.2 degrees
• 53.1 degrees
• 59.5 degrees
• 64.7 degrees

Use Law of Cosines to find XZ.

• 16.004 meters

• 544.165 meters

• 34.7 meters

• 1204.165 meters

Find the length of Side BC.

• 33

• 24

• 12

• 29

What is the measure of angle A?

• 58 degrees
• 61 degrees
• 78 degrees
• 74 degrees

Find the length of side AC.

• 12

• 10

• 23

• 14

Which Law would you use to solve for Angle B?

• Law of the Jungle

• Law of Cosines

• Law of the Gravity

• Law of Sines

Which Law would you use?

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