Law of Sines Law of Cosine

Joey must find the distance from Point A to Point B on opposite sides of a lake. He locates Point C that is 860 feet from point A and 175 feet from Point B. He measures the angle at Point C to be 78 degrees. Find the distance from point A to point B.

• 707643.58

• 841.22

• 877.62

• 845.01

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Solve the Triangle
a=38, b= 31, c= 35
Find A, B and C

• A= 43°, B= 47°, C= 90°
• A= 70°, B= 50.1°, C= 59.9°
• A= 50.1°, B= 70°, C= 59.9°
• A= 60°, B= 70°, C= 50°

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Calculate the length of AC.

• 30
• 24
• 27
• 35

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Based on the given information determine the number of unique triangles that may exist.

A= 70°, a=85, b=88

• 1 Triangle

• 2 Triangles

• No Triangle

• Cannot be determined with given information

Tags

CCSS.7.G.A.2

Based on the given information determine the number of unique triangles that may exist.

A= 37°, a=8, b=14

• 1 Triangle

• 2 Triangles

• No Triangles

• 3 Triangles

Tags

CCSS.7.G.A.2

Based on the given information determine the number of unique triangles that may exist.

A = 51º, b = 17, a = 20

• 0

• 1

• 2

• 3

Tags

CCSS.7.G.A.2

Find the measure of ∠A

• 18
• 28
• 25
• 24

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Which of the following is not a Law of Sines problem?

• AAS

• SSA

• SAS

• ASA

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find the area of obtuse triangle ABC when A=41 degrees, a=18cm, and b=22cm.

• 42.2 cm²

• 197.4 cm²

• 53.3 cm²

• 126.7 cm²

Tags

CCSS.HSG.SRT.D.9

Farmer Chuck Norris needs to enclose a triangular field along a river. One side of fencing is already in place, and Farmer Chuck has 40 feet of fence for the open side. How far away from point A (along the river) can Farmer Chuck put the fence?

• 23.4 feet

• 85.3 feet

• 39.3 feet

• 51.3 feet

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11