Law of Sines and Cosines AP

What is the area of this triangle to three decimal places?

• 14.494 meters squared

• 108.184 meters squared

• 54.092 meters squared

• 54.350 meters squared

Find m<B to the nearest whole number.

• A

• B

• C

• D

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

Find the length of Side BC.

• 33

• 24

• 12

• 29

Find the length of side AB.

• 10

• 8

• 6.1

• 4.9

Which Law would you use?

• Law of Sines

• Law of Cosines

• Law of the Jungle

• Law of Gravity

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

Two stakes are holding a small blimp in place. Stake A measures an angle of elevation of 49^o and Stake B measures an angle of elevation of 58^o. If the string attached to Stake A has a length of 148 feet, what is the length of the string attached to Stake B?

• 152.7 feet

• 166.3 feet

• 157.3 feet

• 131.7 feet