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?
Proportional sides, 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 the date of the Geometry Regents?
What is Friday June 21st
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
Multiply a corresponding side by ?? to make your pre-image become the image.
Scale Factor
200
What type of triangle has a 120 degree angle and no congruent sides?
Obtuse Scalene
200
When is the last day to turn in make up work?
Thursday, June 13th
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 are best ways of reviewing for regents?
Do Practice Tests, Watch Kirk Wieler on Thursday night.
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
How can you reach Ms. Drake with regents and finals questions?
What are email or Google Classroom
500
Solve for Angle A.
25.6 Degrees
500
Are these two triangles similar? How do you know?
yes, SAS theorem.
500
What's the scale factor of these triangles?
3 or 1/3
500
30-60-90 Right Triangles are half of which shape?
A Rectangle
500
What time does the geometry regents start?
What is 8:00 AM?