Dilations
Proving Triangles Similar
Proportionals in Triangles
Mixed Bag
Missing Values
100
The letter r represents this in similarity and dilations.
What is scale factor?
100
Two angles in one triangle are congruent to two angles in another triangle; the two triangles are similar by this theorem.
What is AA Similarity?
100
The segment that completes the proportion.
(BE)/(EC)=?/(FC)
What is DF?
100
True or false: Angles is similar triangles follow the same scale factor as the sides of similar triangles.
What is False?
100
The value of x.
What is x = 8?
200
The scale factor range needed to be a reduction.
What is r less than 1?
200
These triangles are similar by ____.
What is SAS ~?
200
The segment that completes the proportion.
(EC)/(CB)=(FC)/?
What is DC?
200
The value of a.
a=12
200
The value of x.
What is x = 13.5?
300
The coordinates for A' after the dilation r = 2 for the point A (-3, 1).
What is A'(-6, 2)?
300
The corresponding sides of two triangles are proportional; the two triangles are similar by this theorem.
What is SSS ~?
300
The segment that completes the proportion.
(DB)/?=(BC)/(EC)
What is FE?
300
Suppose △ABC ~ △JKL. The side proportional to side JL.
What is side AC?
300
The height of the building.
What is 20 feet tall?
400
The scale factor for the dilation from Triangle ABC to Triangle XZY?
What is 4/3?
400
These triangles are similar by ____.
What is AA ~?
400
The value of y.
y=5
400
Suppose △ABC ~ △JKL. The angle congruent to ∠K.
∠B
400
The height of the flagpole.
What is 700 inches tall?
500
The ways a dilation effects the side lengths and the angle measures of a figure.
What are the corresponding side lengths are proportional and corresponding angles are congruent?
500
The theorems would you need to use to prove the 2 triangles similar by AA similarity.
What are Reflexive Property of Congruence and Corresponding Angles Theorem?
500
The value of x.
x=6
500
The value of b.
b=30
500
The value of DE.
What is DE = 6?