Solving Oblique Triangles

Based on the given information determine the number of unique triangles that may exist.
A= 37°, a=8, b=14

• Triangle

• Triangles

• No Triangles

• Triangles

Tags

CCSS.7.G.A.2

Will this make 1 triangle? 2 Triangles? or No Triangles?
B= 70°, b=85, c=88

• 1 Triangle

• 2 Triangles

• No Triangles

Tags

CCSS.7.G.A.2

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, and from Jamie to the bird is 63.  How far away is the bird from Amanda?

• 25.23

• 23.19

• 22.15

• 20.85

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Completely solve the triangle (find Angle A, Angle C, and side c).

• m∠A = 47;  m∠C = 56;  c = 20 m

• m∠A = 51;  m∠C = 52;  c = 17 m

• m∠A = 52;  m∠C = 51;  c = 20 m

• m∠A = 47;  m∠C = 56;  c =17 m

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Find the area of ABC to the nearest tenth.

• 62.3 units²

• 124.6 units²

• 77.0 units²

• 100 units²

Tags

CCSS.HSG.SRT.D.9

Solve each triangle. A=110, C=30, c=3

• B=40, a=5.64, b= 3.86

• B= 45, a= 6.93, b= 2.76

• B= 40, a= 7.90, b= 3.41

• B=40, a= 6.21, b= 3.86

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Parker 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

• 842.01

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Choose which law you need to solve the problem (DO NOT SOLVE):

• Law of Sines

• Law of Cosines

• Both

• Neither

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

Given: B = 70°, a = 11, C = 40° Find: c

• 11

• 7.5

• 70

• 8

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