Sine, Cosine and Tangent
Similarity
Dilations
Pythagorean Theorem and Special Right Triangles
Formulas
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
Pythagorean Theorem?
a2+b2=c2
100
Area of Cylinder, but REPLACE big B
Pi r2 h
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
Converse of Pythagorean Theorem
c2-a2= b2
300
What ratio is equal to
(opp)/(adj)
Tangent (or Tan)
300
Corresponding angles in similar triangles are what?
Congruent
300
k>1
Enlargement
300
What does x equal? (remember your units)
6 cm
300
surface area of sphere
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
In a 45-45 triangle, one leg THAT is not the hypotenuse is 6 units. How long is the other leg?
6 units
400
triangle inequality theorem
June 2nd 12:30-2:30pm
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
If the short side of a 30-60-90 triangle is 5, how long is the hypotenuse?
10
500
formula for the equation of a circle
