Law of sines and cosines

Front

Find the length of Side BC.

Back

33

Front

Find the length of side AB.

Back

8

Front

Find the length of side AC.

Back

14

Front

Which law would you use to find angle A?

Back

Law of Sines

Front

Which Law would you use to solve for Angle B?

Back

Law of Cosines

Front

Which Law would you use? Options: Law of Sines, Law of Cosines, Law of the Jungle, Law of Gravity

Back

Law of Cosines

Front

Which of the following formulas shows the Law of Cosines? Options: c² = a² + b² - 4ac + cosA, c² = a² - b² - 2abcosC, c² = a² + b² - 2abcosC, (cos A)/a = (cos B)/b

Back

c² = a² + b² - 2abcosC

Front

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

Back

41.7

Front

Which Law would you use? Options: Law of Sines, Law of Cosines, Law of the Jungle, Law of Gravity

Back

Law of Sines

Front

What is the measure of angle A?

Back

78 degrees