Proportional Sides of Similar Triangles

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

Tags

CCSS.HSG.SRT.B.5

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

• SSS

• AA

• ASA

• SAS

Tags

CCSS.HSG.SRT.B.5

The triangles are similar by...

• SAS

• AA

• ASA

• SSS

Tags

CCSS.HSG.SRT.B.5

If the triangles are similar, state how.

• SSS

• SAS

• AA

• Not similar.

Tags

CCSS.HSG.SRT.B.5

The triangles are similar by...

• SAS

• AA

• ASA

• SSS

Tags

CCSS.HSG.SRT.B.5

How do these triangles appear to be similar?
(Hint: Look for non-labeled parts!)

• AA

• SAS

• SSS

• Not Similar

Tags

CCSS.HSG.SRT.B.5

Find the value of x using proportions.

• a

• b

• c

• d

Tags

CCSS.HSG.SRT.A.2

Find the missing length.

• 21

• 18

• 16

• 24

Tags

CCSS.HSG.CO.C.9

The Side-Side-Side Similarity (SSS ~) Theorem states if the corresponding sides of two triangles are _____________________, then the triangles are _________________.

• proportional; similar

• similar, proportional

• congruent; congruent

• equal; equilateral

Tags

CCSS.HSG.SRT.B.5

When proving these triangles similar, what would you write in for the missing reason?

• Math

• Corresponding sides are proportional

• Corresponding sides are congruent

• SSS similarity postulate

Tags

CCSS.HSG.SRT.B.5