Sine, Cosine and Tangent
Similarity
Dilations
Pythagorean Theorem and Special Right Triangles
Announcements
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
What is my favorite color?
Purple
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
How many siblings do I have?
1
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
What is my favorite food?
Sushi
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 my favorite Animal?
Elephant
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
Where did I go to college?
Ottawa University