Law of Sines, Cosines and Area

Find m<B

• A

• B

• C

• D

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

Find angle C

What is the area of the triangle shown?

Find the area of the triangle

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? Round to the nearest tenth.

Find angle Z

• 20.15°

• 71.23°

• 51.06°

• 57.71°

Find the area to the nearest tenth

In Triangle KHP, h= 9, k=9.4, p= 8. Find the area of each triangle to the nearest tenth.

Rearrange the Law of Cosines formula to solve for angle B.

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