Similar Figures

Similar figures

• have the same shape and the same size

• have the same shape and different sizes

• have different shapes and the same size

Pentagon EFGHI is similar to pentagon RSTUV. What side is corresponding to side FG?

• RS

• ST

• TU

• UV

Pentagon EFGHI is similar to pentagon RSTUV. What angle is corresponding to angle U?

• angle E

• angle F

• angle G

• angle H

If you are checking that two figures are similar, what two things are you checking? (Check TWO answers)

• congruent angles

• proportional angles

• congruent sides

• proportional sides

Are these two figures similar?

• yes

• no, the angles are not congruent

• no, the sides are not proportional

Are these two figures similar?

• yes

• no, the angles are not congruent

• no, the sides are not proportional

The number by which the length(s) of a geometric object is multiplied to generate a similar geometric object.

• scale factor

• proportion

• ratio

• cross multiply

A scale factor greater than 1 indicates a(n)...

• enlargement

• reduction

A scale factor less than 1 indicates a(n)...

• enlargement

• reduction

A scale factor of 1.40 is a(n)...

• enlargement

• reduction