Similar by Aa

If the triangles are similar, state how.

• AA: Two angles congruent

• SSS: Three sides congruent

• SSS: Three sides proportionate

• SAS: Two sides proportionate + included angle congruent

• Not similar

Which of the following is NOT true about similar figures?

• Similar figures always have the same shape.

• Similar figures always have the same size.

• Similar figures always have corresponding angles that are equal.

• Similar figures always have corresponding sides that are proportional.

If the triangles are similar, state how.

• AA: Two angles congruent

• SSS: Three sides congruent

• SSS: Three sides proportionate

• SAS: Two sides proportionate + included angle congruent

• Not similar

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

• equal

• congruent

• proportional

• none of these

What theorem can be used to prove the 2 triangles similar?

• AA

• SAS

• SSS

• Can't be determined

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

• AA

• SAS

• SSS

• Not Similar

If ∠BAC = 17° and ∠CED = 17° are the two triangles, ΔBAC and ΔCED similar? If so, by what reason?

• yes, by AA similarity

• yes, by SAS similarity

• yes, by SSA similarity

• not possible to tell

Do the two triangles fit the AA Similarity Postulate

• Yes

• No

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• AA

• SSS

• SAS

• no similar

Do the two triangles fit the AA Similarity Postulate

• Yes

• No