Right Triangles
Special Right Triangles
Trig Ratios
The Unit Circle
100
A triangle with a square corner is called a?
Right triangle
100
In a 45-45-90 right triangle, the two interior angles are?
Congruent
100
This trig ratio is “opposite over hypotenuse.”
Sine
100
What is the radius of the Unit Circle
1
200
What is the measure of a right angle?
90 degrees
200
These two angle measurements define a 45°‑45°‑90° triangle’s angles
45 degrees
200
This trig ratio is “opposite over adjacent.”
Tangent
200
The center of the unit circle is also known as the
origin
300
What is the longest side on a right triangle?
Hypotenuse
300
The shortest side in a 30°‑60°‑90° triangle is always across from this angle.
30
300
These three letters are used to help students remember the trig ratios.
SOHCAHTOA
300
These two quadrants have positive sine values.
Quadrants 1 and 2
400
Which number is sitting adjacent to the x? 
3
400
A 30°‑60°‑90° triangle has a short leg of 7. The hypotenuse is this.
14
400
Find the sine x
4/9
400
What is the radian measure for 225 degrees
5 pi over 4
500
Which number is sitting opposite of the x? 
8
500
A 30°‑60°‑90° triangle has a long leg of
6sqrt3
what is the short leg?
6
500
What do we use to find angle measures when using trig ratios?
Inverse or press the sin, cos, tan button twice
500
What is Cosine 90
0