What is the method used to solve a proportion? (Two words)
Cross multiplication
True or false: Similar figures do NOT have congruent angles.
False
Name the Theorem:
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: Vertical Angles are ALWAYS similar.
FALSE!!!
They are CONGRUENT
Simplify this proportion.
18/(n-9)=6/5
n= 24
What is true about the shape and size of similar figures?

same shape, different size
Name the Theorem:
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
What are these angles called?
Alternate Interior Angles
Write down ALL of the Extraneous Solutions to this eqaution:
x/(x-1)=(-2)/(x-3)
x = 1 & x= 3 are EXTRANEOUS 👽
Suppose △ABC ~ △JKL. What angle is congruent to ∠K?
∠B
Name the Theorem:
If the corresponding sides of two triangles are proportional, then the two triangles are similar.
SSS Similarity Theorem

(DB)/?=(BC)/(EC)
FE
Who's houses are these?
(Left to right) Patrick Star, Squidward, SpongeBob
4/5=x/30
x=24
Suppose â–³ABC ~ â–³JKL. What side is congruent to side JL?
side AC
These triangles are similar by ____.

SAS

y=5
Which Jordan model is this?
(Hint: it's a number 1-5)
Jordan 5 🔥
x/10=42/35
x=12
What is the scale factor of â–³ABC to â–³XYZ?

3/4
These triangles are similar by ____.

AA

x=6
Who was the U.S. President during the events of 9/11?
President George W. Bush