Similar Polygons Intro

Two objects that are the same shape but not the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary 

Complete each proportion.
AB / BM  =  ? / CD

• BC

• AC

• MD

• MC

What is the similarity statement for the triangle pair?

• ΔXYZ~ΔNEW

• ΔXZY~ΔNWE

• ΔZYX~ΔENW

• ΔYZX~ΔNWE

What is the scale factor between the right quad. to left quad.

• 2:1

• 3:1

• 5:3

• 2:3

The following triangles are similar.
AC ∼

•  DF

• AB 

•  ED

•  FC

If ABCDE ∼ GHJDF, then∠B is congruent to _______

• ∠H

• ∠D

• ∠F

• ∠J

Classify the dilation as an enlargement or reduction from right to left triangle.

• enlargement

• reduction

Are the triangles similar?

• Yes

• No

In order for two polygons to be similar, what must be true about the sides and angles?

• All sides and angles are congruent

• All sides and angles are proportional

• Sides are congruent, Angles are proportional

• Sides and proportional, Angles are congruent

The figures are similar. Find the scale factor of the smaller figure to the larger figure.

• 2:5

• 5:3

• 3:5

• 2:3