Proportional Triangles

similar triangles

• triangles that are scale drawing of one another- they have the same shape but may have a different size

• the part of the rate that is being compared to one

• the relationship among a group rates that are equivilent

• all rational and irrational numbers

The triangles are similar by...

• SAS

• AA

• ASA

• SSS

If three sides of one triangle are proportional to three sides of another triangle, then the two triangles are similar.

• AAA

• SAS

• Not similar

• SSS

If two angles of one triangle are congruent to two angles of another triangle, then the two triangles are similar.

• AA

• SAA

• ASA

• AAA

• ABC
• BDE
• CD
• AE

Complete each proportion.
AB / AM  =  ? / DM

• BC

• AC

• MD

• MC

ΔCDE∼ΔFGH

which is true?

• DE↔FG

• CE↔FH

• CD↔GH

• DE↔FH

If two figures are similar, the corresponding sides are ______________.

• equal

• congruent

• proportional

• none of these

ΔPAW is similar to ΔPOP. Which side corresponds to OP?

• PA

• PO

• PP

• PW

• No side corresponds from the list

Sides in similar figures must be proportional.

• True

• False