Vocabulary
Parallel Sides
Find That Value
Name That Theorem
Miscellaneous
100
This is a figure with three sides and three angles
triangle
100
x= 12
100
If these two triangles are similar...
x= ?
x= 13.5
100
The similarity theorem for these triangles:
AA Similarity Theorem
100
Are these two triangles similar?
Yes
200
Figures that have the same shape but different sizes are
similar
200
Yes
200
What value of x would make the two triangles similar?
Find DE
DE= 18
200
The similarity theorem where two sides of a pair of triangles are proportional and the angle in between the sides is congruent.
SAS Similarity Theorem
200
What is the reasoning for #3?
AA Similarity
300
The ratio between corresponding figures.
scale factor
300
x=?
x=8
300
The missing side is 7.
300
What theorem proves that these two triangles are similar?
AA similarity
300
If triangle ABC ~ triangle XYZ by a scale factor of 1/3 YZ=?
YZ= 4
400
If two triangles are similar then their angles are
congruent
400
DE || AC
AB=?
AB= 44.8
400
Find AB
AB= 40
400
These triangles are similar by what similarity theorem and what is their scale factor?
SSS similarity
Scale factor: 10 or 1/10
400
Name similarity theorem for these triangles.
SAS Similarity
500
A relationship that is always the same ratio
Proportion/ proportionality
500
Is DE parallel to AB?
No
500
Find x
x= 4.8
500
Similarity shortcut where only two pairs of proportional sides in a pair of triangles are given.
The triangles are not similar. There is no shortcut
500
How tall is the person? (feet, inches)
4 feet 4 inches