Law of Sines, Cosines, and Area of Triangles

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

Which Law would you use?

• Law of Sines

• Law of Cosines

• Law of the Jungle

• Law of Gravity

Amanda and Jamie are standing 25 feet apart and spot a bird in the sky between them. The angle of elevation from Amanda to the bird is 55 degrees, and from Jamie to the bird is 63 degrees. How far away, to 2 decimal places, is the bird from Amanda?

• 25.23 ft

• 23.19 ft

• 22.15 ft

• 20.85 ft

Find the length of side AB.

• 10

• 8

• 6.1

• 4.9

Find AB.

• A

• B

• C

• D

Find BC.

• A

• B

• C

• D

Find the area to the nearest tenth.

• A

• B

• C

• D

Find the area to the nearest tenth.

• A

• B

• C

• D

Find BC

• A

• B

• C

• D

Find AC

• 12

• 10

• 23

• 14