Law of Sines

Which of the following is the correct way to solve for angle A?

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Solve for x.

• 24.3

• 155.7

• 24.3 and 155.7

• not possible.

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

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which Law would you use?

• Law of Sines

• Law of Cosines

• Law of the Jungle

• Law of Gravity

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Solve for x. Round to the nearest tenth.

• 9.8

• 0.1

• 0.038

• 9.9

Tags

CCSS.HSG.SRT.C.8

Which equation shows how you would use the law of sines to find angle A?

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which equation shows how you would use the law of sines to find side c?

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find AB.

• A

• B

• C

• D

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

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

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find the area to the nearest tenth.

• A

• B

• C

• D

Tags

CCSS.HSG.SRT.D.9