Similar by Aa

Find the missing side using proportions.

• a

• b

• c

• d

Determine if the triangles are similar. If so, state the similarity postulate or theorem.

• AA~

• SSS~

• SAS~

• The triangles are not similar.

Are these triangles similar? If so, by what similarity theorem and what is the similarity statement?

• Yes, AA~, ΔXYZ~ΔNEW

• Yes, AAA~, ΔXZY~ΔNWE

• No, these aren't similar.

• Yes, AA~, ΔYZX~ΔNWE

How do these triangles appear to be similar?

• AA

• SAS

• SSS

• Not Similar

Find the missing side using proportions.

• a

• b

• c

• d

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar. Select all that applies.

• AA

• SAS

• SSS

• not similar

Give the reason for similarity

• AA

• SAS

• SSS

• Not similar

QR is a midsegment of triangle FGH. Solve for the value of x?

• 5.5

• 11

• -5.5

• -11

A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 21 feet. How tall is the building? (Draw a picture, set up a proportion)

• 16 feet

• 21 feet

• 24 feet

• 28 feet

Find the missing length indicated.

• 30

• 25

• 45

• 50