Law of Sine and Cosine Word Problems

Which Law would you use?

• Law of Sines

• Law of Cosines

Which Law would you use?

• Law of Sines

• Law of Cosines

What is the length of side x?

• 130 cm

• 112 cm

• 150 cm

• 105 cm

• A
• B
• C
• D

What is the measure of angle A?

• 50 degrees

• 60 degrees

• 78 degrees

• 74 degrees

Find AC

• 12

• 10

• 23

• 14

Calculate the length of AC

• 30

• 24

• 27

• 35

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 is the bird from Amanda?

• 25.23

• 23.19

• 22.15

• 20.85

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

• 6.99
• 6.33
• 13.59
• 7.83