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Similarity and solving right triangles
Trigonometric ratios
Angles of Elevation and Depression
Law of Sines and Cosines
Vectors
100
Connects the vertex of the right angle to the hypotenuse
What is altitude
100
In a right triangle, the ratio of the length of the leg opposite angle A to the length of the hypotenuse.
What is sine
100
This angle formed by a horizontal line and a line of sight to a point above.
What is angle of elevation
100
Sin 100 (round to the nearest hundredth)
What is .98
100
A _______ is a quantity that has both length and direction.
What is vector
200
The geometric mean of 3 and 15
What is 3 radical 5
200
In a right triangle, the cosine of angle A is the ratio of the length of the leg adjacent to angle A to the length of the hypotenuse. It is the reciprocal of the secant function.
What is cosine
200
This angle formed by a horizontal line and a line of sight to a point below.
What is angle of depression
200
Cos 133 (round to the nearest hundredth)
What is -.68
200
________ vectors have the same magnitude and direction. (Equal, parallel, or resultant)
What is equal
300
Tan___=3.5
What is 74 degrees
300
In a right triangle, the ratio of the length of the leg opposite angle A to the length of the leg adjacent to angle A.
What is tangent
300
Angle 3 is an angle of ______. (look at board drawing)
What is depression
300
(Find the measure of angle B) (Look at board drawing)
What is 43 degrees
300
The _______ of a vector indicates the vector's size. (Magnitude or direction)
What is magnitude
400
___42degrees=0.74
What is cosine
400
(Find the length of AB, round to the nearest hundredth) AB is adjacent to the given angle, (A). You are given BC, which is opposite to (A). Since the adjacent and opposite legs are involved, use a tangent ratio. (look at triangle on board)
What is 7.02 in
400
Angle 4 is an angle of ______. (look at board drawing)
What is elevation
400
Sin 135
What is .71
400
Identify the equal vectors. (Look at drawing on board)
What is RS and XY
500
The acute angles in a triangle are 23 degrees and 67 degrees. The side length are _,_,_
What is 5,12,13
500
(Find the sinR) (Look at drawn triangle)
What is .92
500
A pilot flying at an altitude of 2.7 km sights two control towers directly in front of her. The angle of depression to the base of one tower is 37 degrees. The angle of depression to the base of the tower is 58 degrees. What is the distance between the two towers. (Round to the nearest tenth of a kilometer) (look at board drawing)
What is 1.9 km
500
Find the measure of DE (Look at drawing on right)
What is 6.5
500
What is the sum of {-3, 4} + {5, -2} = ?
What is {2, 2}