Sine, Cosine and Tangent
Similarity
Transformations
Pythagorean Theorem and Special Right Triangles
Regents Facts
100
What ratio is equal to
(opp)/(adj)
Tangent (or Tan)
100
These are the three triangle similarity postulates
AA, SSS, SAS
100
Describe the translation shown in the graph
-6,2 OR 6 left and 2 up
100
How do we write out Pythagorean Theorem?
a2+b2=c2
100
Never Leave a Multiple-Choice Question Blank: True or False
True, because there is no penalty for guessing.
200
Which Trigonometric Ratio should I use to solve for Angle B?
Cosine (Cos)
200
List two properties of similar figures
1. corresponding angles are congruent
2. corresponding sides are proportional
200
If point A(3,2) was rotated 90° counterclockwise about the origin.
What are the coordinates for A′?
A′(−2,3)
200
What are the Two special right triangles we know about?
45-45-90 and 30-60-90
200
You can earn partial credit on short-response questions by_______________________
Showing all your work
300
Solve for Angle B to the nearest degree
angle B = 23
300
Given that △ABC ∼ △DEF, side CB would be similar to?
side FE
300
What are the two things you need to describe a Dilation?
Scale Factor and Center
300
45-45-90 triangles are half of which shape?
Square
300
What causes your brain to crash and should be avoided on test day?
Sugary drinks
400
For angle A you are given the opposite side and hypotenuse
Set up an equation to solve for the measure of angle A
angle A = sin-1 (O/H)
400
Are these two triangles similar? How do you know?
yes, AA Theorem.
400
What do we draw to typically help us find the Center?
Connecting lines the will meet at the same point
400
What does x equal? (remember your units)
6
400
What are best ways of reviewing for regents?
Regents review books OR old regents from nysregents
500
If sin(3x) = cos(6x) solve for x
x = 10
500
Are these two triangles similar? How do you know?
yes, SAS theorem.
500
What's the scale factor between these two triangles?
3 or 1/3
500
30-60-90 Right Triangles are half of which shape?
Equilateral Triangles
500
What day & time is the geometry regents?
June 23th @ 9:15am