Law of Sines and Law of Cosines Review

find X

• 52
• 33
• 41
• 29

Find AC

• 12
• 10
• 23
• 14

• 6.99
• 6.33
• 13.59
• 7.83

Find XZ

• 16.004 meters
• 544.165 meters
• 34.7 meters
• 1204.165 meters

Find angle Z

• 20.145 degrees

• 71.232 degrees

• 51.055 degrees

• 57.713 degrees

Which Law would you use?

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

Find the area of ABC to the nearest tenth, if necessary. 

• 72.4cm²
• 71.5cm²
• 82.1cm²
• 79.4cm²

Solve each triangle, round to the nearest tenth.

• A= 32,a= 11.2 b= 19.8
• A= 40 a= 11.2 b= 19.8
• A = 32 a= 12.2 b= 19.8
• A = 20 a= 11.3 b= 20.0

Solve each triangle, round to the nearest tenth.

• angle H= 15°, f= 55.5, g= 64.5
• angle H= 113° f= 55.5, g= 64.5
• angle H= 53°, f= 64.5, g= 55.5
• angle H=15°, g= 65, f= 56

A yacht is anchored 90 feet offshore from the base of a lighthouse.  The angle of elevation from the boat to the top of the lighthouse is 26 degrees.   Which of these is nearest to the height of the lighthouse? 

• 25 feet
• 44 feet 
• 81 feet 
• 185 feet