Similar or Congruent

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 congruent.

• Yes, same size and same shape

• No, same shape but different sizes

• No, different size and different shapes

Translations are always _______

• Congruent

• Bigger

• Smaller

• Rotated

Are the following similar? Why or why not?

• Yes

• No, the corresponding angles are not equal.

• No, the ratios of the corresponding sides are not equal.

All angles in similar figures are congruent.  

• True

• False

Are triangle ABC and triangle DEF similar?

• No

• Yes

Which triangles are similar to triangle A?

• B

• C

• Both

• None

Are these shapes congruent?

• Yes

• No

Sides in similar figures must be proportional.  

• True

• False 

Are the triangles similar?

• Yes

• No