Congruence and Similarity

What is the similarity statement for the triangle pair?

• ΔXYZ is similar to ΔNEW

• ΔXZY is similar to ΔNWE

• ΔZYX is similar to ΔENW

• ΔYZX is similar to ΔNWE

The pair of figures is similar. Find the missing side.

• x = 20

• x = 12

• x = 5

• x = 4

Calculate the value of the scale factor between the 2 triangles

• 2.5

• 3

• 3.5

• 4

Match the congruent sides and angles.

• < E

• < B

• DE

• DF

• BC

• AC

• < F

• < A

• < C

• < D

Given that the two triangles are similar,

find the value of X and Y.

• X=2.5 and Y=6.5

• X=6.5 and Y=2.5

• X=3 and Y=7

• X=2 and Y= 5

What does congruent mean?

• Same shape, different size

• Not same shape, or size

• Same size, same shape

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

• equal

• congruent

• proportional

• none of these

If the scale factor is greater than one, the new figure will be

• reduction

• enlargement

• scale

• not proportional

What is the scale factor from ABCD to MNOP?

• 2/3

• 3/2

• 2

• 3

If the triangles are similar, find x

• 90

• 60

• 30

• 15