Rigid Transformations
Dilations
Similarity
Slope
Triangles
100

A flip in math.

Reflection

100

True or False? Dilations always make a figure smaller. 

False

100

True or False? When two figures are congruent then they have the same side lengths and angles.

true

100

Slope is the measure of:

a) the length of a line

b) the steepness of a line

c) the width of a line

d) the direction of the line

b) Steepness

100

The sum of all interior angles in a triangle will always equal this number.

180^o

200

A slide in math.

Translation

200

A dilation might change the size of a figure's side lengths but never the _______.

angles

200

True or False? When two figures are similar, they are exactly the same in all ways.

False

200

Slope is known as.....

rise over run

Vertical change over horizontal change

Unit Rate

Change in y over Change in x

200

If two triangles have _____ of their angles equal, the triangles are similar.

two / three

300

A turn in math.

Rotation

300

Dilations always produce ___________ figures.

similar

300

Congruent figures are _____ similar. 

(sometimes, always)

always

300

Does this line represent a positive or negative slope?

positive

300

What is the measure of the missing angle?

35^o

400

Describing a translation requires these two things. 

1) Direction

2) Distance

400

Dilations need these two things.

1) Center Point of Dilation
2) Scale Factor

400

Similar figures are ________ congruent. 

(sometimes, always)

sometimes

400

A line that is perfectly horizontal has a slope of ____________.

zero

400

These two triangles are similar. Triangle ABC was scaled with a scale factor of 2. If side FE is 5 units long, what is the length of CB?    

10 units

500

Describing a rotation requires these three things. 

1) Center (Point)

2) Rotation angle (Degrees)

3) Direction (Clockwise or Counterclockwise)

500

How will dilating a figure with a scale factor of 1/3 change a figure?

It will make the figure 3 times smaller from the center of dilation.

500

Triangle ABC ~ Triangle DEF

If the largest angle in triangle ABC is 90 degrees, then what is the largest angle in Triangle DEF?

90 degrees

500

What is the slope of a line with these two ordered pairs on the line?

(4, 3) and (6, 7)?

Will coordinate (10, 14) be on the line?

4/2 or 2


Nope.

500

These two triangles are similar. Find the missing side lengths. Also , angle ACB is 90 degrees and angle RST is 27 degrees, what is the measure of angle BAC?

s=12

t=15

angle BAC = 63 degrees