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
BEEC=?FC
DF
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
ECCB=FC?
CD
Answer this: 4/5=x/30
x=24
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?=BCEC
FE
Simplify this ratio.
30:25:20
6:5:4
Suppose △ABC ~ △JKL. What side is congruent to side JL?
side AC
These triangles are similar by ____.
SAS
Whats the value of y:
y=5
x/10=42/35
x=12
What is the scale factor of △ABC to △XYZ?
3/4
These triangles are similar by ____.
AA
Whats the value of x:
x=6