Proportion Reasoning

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

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

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

• Yes, similar because they are the same shape and side lengths are proportional.

• No, not similar because they are the same shape, but side lengths are not proportional.

• Yes, same shape

• No, different sizes

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

• Yes, similar because they are the same shape and side lengths are proportional.

• No, not similar because they are the same shape, but side lengths are not proportional.

• Yes, same shape

• No, different sizes

Solve the proportion:

• 4

• 8

• 14

• 10

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

Solve for x.

• 2

• 15

• 50

• 65

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

• 1/2

• 7/3

• 2/1

• 10/3

The following triangles are similar.
AC ∼

•  DF

• AB 

•  ED

•  FC