Law of Cosines Missing Side

In the given triangle, what is the length of side c?

• 5.2

• 6.7

• 7.1

• 6.1

Find "x". (Remember to label the triangle with "A", "B", "C" & "a", "b", and "c")

• 130 cm

• 112 cm

• 150 cm

• 105 cm

Given the triangle: A=50°, b=5, c=2. Find missing length side "a" (Round to the nearest tenth)

• 3.1

• 4.0

• 14.1

• 28.2

Find BC

• A

• B

• C

• D

Would you use the Law of Sines

or the Law of Cosines?

• Law of Sines

• Law of Cosines

Given the triangle: A=50°, b=5, c=2. Find missing length side a

• 3.12

• 4.02

• 14.12

• 28.24

To approximate the length of a marsh, a surveyor walks 425 meters from point A to point B. Then the surveyor turns 65º and walks 300 meters to point C. Approximate the length AC of the marsh.

• 250

• 615

• :)

• Not me