Vocabulary
Scale Drawings
Similarity
Congruence
Slope and Lines
100
A drawing that represents an actual place or object, where the measurements of the drawing are proportional to the measurements of the actual object.
Scale Drawing
100
Are the two shapes scale copies of each other?
Yes
(scale Factor: 6)
100
True or False: Similar shapes have the same angle measurements
True
100
True or False: All similar shapes are also congruent.
False
100
True or false: To find slope, divide:
x/y
False
(Divide y/x )
200
How steep a line is; rise over run
Slope
200
Are these two pictures scale copies of each other?
No
200
True or False: The side lengths of similar shapes are multiplied by different numbers.
False
200
True or False: Only rigid transformations create congruent shapes
True
200
Find the slope of the line:
Slope: 1
300
Transformation in which each point on a figure move along a line and changes its distance from a fixed point. All original distances are multiplied by the same scale factor.
Dilation
300
Original Size: 13
Scale Factor: 3
New Size: 39
300
Are these shapes similar?
Yes
300
Are these shapes congruent?
Yes
300
Find the slope given these points:
(4,2) and (6,8)
Slope: 3
( (8-2)/(6-4) )
400
One figure can fit over another figure using a series of rigid transformations.
Congruent
400
Original Size: 4
New Size: 6
Scale Factor: 1.5
400
Are these shapes similar?
No
400
Describe the series of transformations to create the congruent shapes from A to B.
Reflect over y-axis
Translate 5 units down
400
What is the equation for a line that passes through the origin?
y=kx
500
One figure can fit over another figure using a series of rigid transformations and dilations
Similar
500
Original Size: 24
New Size: 6
Scale Factor: 0.25 or 1/4
500
Find the missing side length.
16 inches
500
Describe the series of transformations to create congruent shapes from green to red.
Rotate 90 degrees clockwise about point Q
Translate 10 units right and 2 units up
500
How do you determine if a point is on a line?
If the slope (y-y_1)/(x-x_1) is the same as the slope of the line.