What is the method used to solve a proportion? (Two words)
Cross multiplication
True or false: Similar figures do NOT have congruent angles.
False
If two angles in one triangle are congruent to two angles in another triangle, then the two triangles are similar.
AA Postulate
(BE)/(EC)=?/(FC)
DF
True or false: The three parallel lines theorem be applied to any number of parallel lines and transversals.
True
Simplify this ratio.
50:250
1:5
What is true about the shape and size of similar figures?
same shape, different size
If two sides in one triangle are proportional to two sides in another triangle and the included angle in both are congruent, then the two triangles are similar.
SAS Similarity Theorem
(EC)/(CB)=(FC)/?
CD
a=12
Simplify this ratio.
30:25:20
6:5:4
Suppose △ABC ~ △JKL. What angle is congruent to ∠K?
∠B
If the corresponding sides of two triangles are proportional, then the two triangles are similar.
SSS Similarity Theorem
(DB)/?=(BC)/(EC)
FE
b=30
4/5=x/30
x=24
Suppose △ABC ~ △JKL. What side is congruent to side JL?
side AC
These triangles are similar by ____.
SAS
y=5
What is x?
4760
x/10=42/35
x=12
What is the scale factor of △ABC to △XYZ?
3/4
These triangles are similar by ____.
AA
x=6
What is y?
3570