Scale and Similarity

If two figures are similar, the corresponding sides are ______________.

• equal

• congruent

• proportional

• none of these

Calculate the value of the scale factor between the 2 triangles

• 2.5

• 3

• 3.5

• 4

The pair of figures is similar. Find the missing side.

• x = 12

• x = 3

• x = 40

• x = 4

If the scale factor is greater than one, the new figure will be

• reduction

• enlargement

• scale

• not proportional

_________ ________ is the number you multiply by the sides to create a similar figure.

• Scale Factor

• Corresponding Angle

• Pi

• Mid Point

What is the scale factor of the surface area of these cones?

• 3:5

• 9:25

• 27:125

• 15:60

Rectangle M is similar to rectangle N.
Which scale factor was used to dilate rectangle M to rectangle N?

• 1/4

• 2/3

• 1/3

• 1.25

Are the triangles similar? If so, what is the scale factor from ΔDEF to ΔABC?

• Yes. 1.5

• Yes. ⅔

• Yes. 2

• No.

What is ratio of any two corresponding sides?

• Scale Factor

• Corresponding Sides

• Similar Figures

Enlargement or reduction?  Blue -> Green?

• It's an enlargement

• It's a reduction

Tags

dilate