Sine Law Introduction

Which Law would you use to find angle A?

• Law of Sines

• Law of Cosines

• Law of the Jungle

• SOH CAH TOA

Find the length of Side BC.

• 33

• 24

• 12

• 29

Find the length of side AB.

• 10

• 8

• 6.1

• 4.9

What is the measure of angle A?

Find the length of side AC.

• 12

• 10

• 23

• 14

Identify the Law of Sines

• Sin²x + Cos²x =1

• y=Sin(x)

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 m<B to the nearest whole number.

• A

• B

• C

• D

What is the measure of angle A?

• 58 degrees
• 61 degrees
• 78 degrees
• 74 degrees

Find x, the measure of the angle.

• 52
• 33
• 41
• 29