45-45-90
30-60-90
Angle of Elevation /
Angle of Depression
Angle of Depression
Trig
Inverse Trig
100
Find AC
3sqrt2
100
Find x
24
100
Fill in the blank:
Angle of Elevation is _______________ the horizontal line.
Angle of Depression is ______________ the horizontal line.
Above
Below
100
What is the saying that we use for trig ratios
SOH CAH TOA
100
When do we use inverse trig?
When we are finding an angle
200
Find CB
18
200
Find c and b
c =10
b =
5sqrt3
200
Susie is standing 204 feet away from a tree. Her line of sight to the top of the tree forms an angle of elevation of 25 degrees with the ground. How tall is the tree (round to the nearest foot)?
95 feet
200
Use your calculator and round to the nearest TEN THOUSANTH
sin41
.6561
200
Find the measure of the angle to the nearest degree
cosX=.75
41 degrees
300
Find x
8sqrt2
300
Find x and y
y =
8sqrt3
x =
4sqrt3
300
A seagull 255 feet in the air, spots a sandwich on the beach. The angle of depression to the sandwich is 17 degrees. What is the distance between the seagull in the air and the sandwich on the beach? Round to the nearest foot.
872 feet
300
Give the ratio for sint
7/25
300
Find angle R (round to the nearest degree)
59 degrees
400
Find the perimeter of a square that has a diagonal of
2sqrt14
8sqrt7
400
The perimeter of an equilateral triangle is 18. Find the length of an altitude of the triangle.
3sqrt 3
400
Joe is climbing a ladder that is 12 feet long. The ladder is 8 feet from the base of a garage, what is the angle formed by the ladder and the ground? Round to the nearest degree.
48 degrees
400
Find y (to the nearest foot)
23 ft
400
Find angle A and angle C (to the nearest degree)
30 degrees and 60 degrees
500
Find y
4sqrt2
500
Find the perimeter of an equilateral triangle that has an altitude of
4sqrt3
24
500
A helicopter is flying at an altitude of 3500 feet. If the horizontal distance between the helicopter and the airport is 2650 feet, find the angle measure from the helicopter to the airport. Round to the nearest whole number.
53 degrees
500
Find x (to the nearest whole number)
33
500
Find both missing angles and the missing side (to the nearest number)
<I = 53 degrees
<K= 37 degrees
IP = 6