Special Right Triangles
Know your
Trig
Trig
Find the side
Math Jokes
Angles of Elevation/Depression
Trig Vocabulary
Name that
Trig Function
Trig Function
100
Find x
5sqrt2 or 7.07
100
Find the trig ratio as a fraction and a decimal to the nearest hundredth
Sin A
Tan C
sin A = 4/5 and 0.8
tan C = 3/4 and .75
100
Two sides of a right triangle are 8 and 12. Find the hypotenuse.
14.4
100
Why did the math book look so sad?
What is because it had so many problems?
100
Name the angle of elevation and the angle of depression in the figure.
Angle of depression: <TRZ or <ZRT
Angle of elevation: <RZY or <YZR
100
The side opposite the right angle of a right triangle.
What is the hypotenuse?
100
The trig function that is defined as opposite over hypotenuse.
What is SINE?
200
Use the special right triangles to find x. 
7sqrt2 or 9.9
200
find the value for x:
What is 6.88
200
The height of kite that Mary is flying on a 50-meter string that makes a 30-degree angle with the ground.
What is 25 meters.
200
Why do you never argue with a 90 degree angle?
What is because it is always right?
200
A hockey player player takes a shot 20 feet away from a 5-foot goal. If the puck travels a 15 degree elevation toward the center of the goal, will the player score?
No, the puck's height will be 5.4. So it will go above the goal.
200
What is the only type of triangle you can use trig ratios with?
What is a right triangle?
200
This trig function is defined as opposite over adjacent.
What is TANGENT?
300
Use special right triangles to solve for x and y
x = 8
y = 16
300
On your calculator, find the trig ratio. Round to the nearest hundredth
cos 68
cos 68 = 0.37
300
Find x to the nearest hundredth
x = 16.64
300
What do you call a man that spent all summer at the beach?
What is a tan-gent?
300
The angle of elevation to the peak of a mountain for an observer who is 155 meters from the base of the mountain is 66 degrees. How high is the mountain.
approximately 348 ft.
300
How do you choose which sides are your opposite and adjacent?
What is reference angle
300
This trig function is defined as adjacent over hypotenuse.
What is COSINE?
400
Use special right triangles to solve for x and y.
x = (17sqrt3)/2 or 14.7 and
y = 17/2 or 8.5
400
On your calculator find the trig ratio. Round to the nearest thousandth.
csc 42
csc 42 = 1.4945
400
Find x to the nearest hundredth.
x = 27.44
400
What is the trigonometry teacher’s favorite food?
COS-slaw
400
The town of Belmont restricts the height of flagpoles to 25 feet on any property. Lindsay wants to determine whether her school is in compliance with the regulation. Her eye level is 5.5 feet from the ground and she stands 36 feet from the flagpole. If the angle of elevation is about 25 degrees, what is the height of the flagpole to the nearest tenth?
about 22.3 ft
400
The acute angle between the horizontal line of sight and another line segment above the horizontal?
What is the angle of elevation?
400
This is the mnemonic device (or trick) used to remember all 3 trig ratios.
What is SOH CAH TOA?
500
Use special right triangles to solve for x and y.
x = 3
y = 1
500
calculate the value for x:
What is 23.5m
500
The measure of the height of a window with a 40 feet ladder leaning on it, making a 30-degree angle with the window's wall.
What is 34.6 ft.
500
Why you should take your math teacher along to the bank?
So they can COSINE your loan
500
The angle of depression from the top of a flagpole on top of a lighthouse to a boat on the ocean is 2.9°. The angle of depression from the bottom of the flagpole to the boat is 2.6°. If the boat is 400 feet away from shore and the lighthouse is right on the edge of the shore, how tall is the flagpole? Round your answer to the nearest foot.
2 feet
500
The 2 acute angles in a right triangle total the following degree _________
What is 90?
500
Name the 3 trig functions
What is Sine, Cosine, and Tangent