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 shape, different size
100
What stays congruent when a shape is dilated? angles or lengths?
Angles
100
How do we write out Pythagorean Theorem?
a2+b2=c2
100
When is the last day of school?
Thursday 6/8
200
What does the C in Cah stand for?
Cosine
200
What is congruent in similar figures: sides or angles?
angles
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
What Field Trip is scheduled for Tues 6/6?
Flight 93 Memorial
300
What ratio is equal to
(opp)/(adj)
Tangent (or Tan)
300
Corresponding lengths in similar triangles are what?
Proportional
300
Name another transformation that is not a dilation because the shape remains congruent.
Reflection, Rotation, or Translation
300
What does x equal?
6 units long
300
How many marking periods are in a school year?
Four
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 angle is in both triangles?
Angle B
400
How many times bigger is the hypotenuse than a leg on a 45-45-90 triangle?
Square Root of 2
400
What day is Graduation?
Saturday, June 10th
500
Solve for Angle B.
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
Which special right triangle results in half an equilateral triangle?
30-60-90
500
How many weeks long is summer vacation?
10 weeks!