Similar Congruent Corresponding Scale Vocabulary

____ is the ratio of corresponding sides in similar figures.

• Scale Factor

• Composite Figure

• Similar Figures

• Pi

____ is when two figures are the same shape and have proportional sides with congruent angles.

• Composite Figure

• Scale Factor

• Congruent

• Similar Figures

Being ____ is when angles and/or side lengths equal each other; when two figures are the same size and same shape.

• Like terms

• Similar Figures

• Congruent

• Scale Factor

Congruence

• when a shape is enlarged

• when two figures are the same size and same shape

• when the rotation moves two quadrants

What is the scale factor of the dilation of ABC to XYZ?

• 2

• 3

What is the scale factor of the dilation of ABC to XYZ?

• 2

• 3

When I have the scale factor, how do I use it to find the area?

• Square root it and the multiply by area given

• Square it and the multiply by area given

• Double it and the multiply by area given

• Multiply it by area given

What is ratio of any two corresponding sides?

• Scale Factor

• Corresponding Sides

• Similar Figures

The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger figure.

• A

• B

• C

• D

The scale of a mug in a picture is ½ in.=3 cm. Find the actual length of the 4 in. coffee mug.

• 24 cm

• 6 cm

• 30 cm

• 13 cm