Similar Sides and Proportions

Find missing side

• 5

• 7

• 9

• 11

Sides in similar figures must be proportional.  

• True

• False 

Solve for f.

• 6

• 4

• 3

• 8

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

• Congruent

• Vertical

• Similar

• Complementary 

Are the following similar? Why or why not?

• Yes

• No, the corresponding angles are not equal.

• No, the ratios of the corresponding sides are not equal.

Find y.

• 144

• 18

• 72

• 12

Find the height of the tree.

• 8 ft

• 12 ft

• 13 ft

• 15 ft

What is the scale factor from triangle ABC to triangle DEF?

• 1/2

• 7/3

• 2/1

• 10/3

The following triangles are similar.
AC ∼

•  DF

• AB 

•  ED

•  FC

• TQ AND BE
• TS AND CD
• RS AND BC
• QR AND CD