Similar Figures Corresponding Angles and Sides

All corresponding sides are proportional (same ratio) in similar figures.

• True

• False

All corresponding angles are congruent in similar figures.

• True

• False

State the angle relationship and find the measure of angle 1

• Corresponding
  110

• Alternate Exterior
  110

• Corresponding
  70

• Alternate Exterior
  70

Are they similar?

• Yes, the angles are congruent and the side lengths are proportional.

• No, the angles are congruent, but the side lengths are not proportional.

• No, the side lengths are proportional, but the angles are not congruent.

• No, the side lengths are not proportional, nor are the angles congruent.

Look at the following picture! The ratio of the corresponding sides is . . .

Are they similar?

• Yes, the angles are congruent and the side lengths are proportional.

• No, the angles are congruent, but the side lengths are not proportional.

• No, the side lengths are proportional, but the angles are not congruent.

• No, the side lengths are not proportional, nor are the angles congruent.

Are they similar?

• Yes, the angles are congruent and the side lengths are proportional.

• No, the angles are congruent, but the side lengths are not proportional.

• No, the side lengths are proportional, but the angles are not congruent.

• No, the side lengths are not proportional, nor are the angles congruent.

Are they similar?

• Yes, the angles are congruent and the side lengths are proportional.

• No, the angles are congruent, but the side lengths are not proportional.

• No, the side lengths are proportional, but the angles are not congruent.

• No, the side lengths are not proportional, nor are the angles congruent.