Law of Sines

Solve each triangle. A=40, B=20, a=2

• C=120, b=1.06, c=2.69

• C=135, b= 1.56, c=2.50

• C= 120, b=2.68. c=3.26

• C=45, b=1.06, c=2

Find the area to the nearest tenth.

• A

• B

• C

• D

What is the measure of angle A?

• 50 degrees

• 60 degrees

• 78 degrees

• 74 degrees

Identify the Law of Sines

• Sin²x + Cos²x =1

• Sin(A)/a = Sin(B)/b = Sin(C)/c

• Sin(A)Sin(B)Sin(C) = 1

• Soh-Cah-Toa

Which Law would you use?

• Law of Sines

• Law of Cosines

• Law of the Jungle

• Law of Gravity

Find BC.

• A

• B

• C

• D

Find AC

• 12

• 10

• 23

• 14

Find x, the measure of the angle.

• 52

• 33

• 41

• 29

find X

• 52

• 33

• 41

• 29