Laws of Sines Cosines and Area

What would be used to find the distance across the lake?

• Quadratic Formula

• Law of Cosines

• Law of Sines

• Trigonometric Ratios

What would be used to find the distance from the Ranger's Tower to the fire?

• Quadratic Formula

• Law of Cosines

• Law of Sines

• Trigonometric Ratios

Which Law would you use?

• Law of Sines

• Law of Cosines

• Law of the Jungle

• Law of Gravity

Which Law would you use?

• Law of Sines

• Law of Cosines

• Law of the Jungle

• Law of Gravity

Jack is flying his kite.  He runs 100 feet away from his house and lets out 75 feet of string.  The angle of elevation from the ground to the kite is 65 degrees.  How far away is the kite from the house?

*Type your answer to the nearest TENTH

*Don't forget your UNITS!!

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?

*Type your answer to the nearest TENTH

*Don't forget your UNITS!

In triangle ABC, a = 3, b = 5, c = 7.  What is the measure of the largest angle?

• 22

• 38

• 60

• 120

In triangle ABC, m<A = 120, b = 10, and c =18.  What is the area of triangle ABC to the nearest square INCH?

*whole number!

(no units necessary)

Will this make 1 triangle? 2 triangles? or no triangles?
A= 37°, a=8, b=14

• Trianlge

• Triangles

• No Triangles

Solve the Triangle B= 85°, C= 47°, and a=19 Find A, b, and c