Sine, Cosine and Tangent
Similarity
Dilations
Pythagorean Theorem and Special Right Triangles
Circles
Random Trivia
100
What is the phrase we use to help us remember our Trigonometric Ratios?
SohCahToa
100
What does it mean when two shapes are similar?
same Proportions, different sizes
100
What are the two things you need to describe a Dilation?
Scale Factor and Center
100
How do we write out Pythagorean Theorem?
a2+b2=c2
100
A line segment that runs from the center of a circle to an edge of the circle is called...
Radius
100
What is the oldest university in the United States?
Harvard University
200
What does the C in Cah stand for?
Cosine
200
What are two of the three similarity Theorems
AA Theorem, SSS Theorem, SAS Theorem
200
I multiply to corresponding sides to help your pre-image become the image. What am I?
Scale Factor
200
What are the Two special right triangles we know about?
45-45-90 and 30-60-90
200
A line segment that runs from edge to edge and passes through the center of a circle is called...
Diameter
200
Which country gifted the Statue of Liberty to the United States?
France
300
What ratio is equal to
(opp)/(adj)
Tangent (or Tan)
300
Corresponding angles in similar triangles are what?
Congruent
300
What do we draw to typically help us find the Center?
Connecting lines
300
What does x equal? (remember your units)
6 cm
300
A line segment that touches exactly one point on the edge and does not pass through the interior of the circle...
Tangent
300
How many keys does a piano have?
88
400
Which Trigonometric Ratio should I use to solve for Angle B?
Cosine (Cos)
400
Are these two triangles similar? How do you know?
yes, AA Theorem.
400
Which point is the Center?
Point B
400
45-45-90 triangles are half of which shape?
Square
400
What is the equation of a circle with center at (-1,-5) and a radius of 4?
(x+1)2+(y+5)2=16
400
What is the equation for quadratic formula?
500
Solve for Angle A.
66.4 Degrees (or about 66)
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
A line segment on the interior of a circle that touches two edges...
Chord
500
In Star Wars, who is Luke Skywalker's father?
Darth Vader (Anakin Skywalker)