Corresponding Sides as a Proportion

An equation stating that two ratios are equal.

• Proportion
• Congruent
• Unit RAte
• Scale FActor

What is the scale factor from triangle ABC to triangle DEF?

• 1/2

• 7/3

• 2/1

• 10/3

Answer the following questions.

c

d

g

i

f

y=4500x

4500

1,500

10,500

y=10x

yes

y = 1500x

no

10

100

One corresponding set of sides are ​ (a)  

• AB and DE

• AB and EF

• B and D

• EF and DE

• TQ AND BE
• TS AND CD
• RS AND BC
• QR AND CD

Triangle ABC and triangle WXY are similar figures. Which of the following proportions is true for the figures?

Tell whether the two figures are similar. Explain your reasoning.

• Yes, similar because corresponding angles are congruent and corresponding sides are in proportion.

• No, not similar because corresponding angles are congruent, but corresponding sides are NOT in proportion.

• Yes, same shape

• No, different sizes

Are the following similar?
Why or why not?

• Yes

• No, the corresponding angles are not equal.

• No, corresponding sides are NOT in proportion.

• i dont know

Solve for x.

• 2

• 15

• 50

• 65

The following triangles are similar.
AC ∼

•  DF

• AB 

•  ED

•  FC