Unit 4 Practice

In similar Polygons, corresponding sides are ___ and corresponding angles are ___. (Fill in the blanks)

• congruent, proportional 
• proportional, congruent 
• congruent, congruent
• proportional, proportional

ABCDE ∼ GHJDF. ∠E ≅

• ∠H
• ∠D
• ∠F
• ∠J

State if the polygons are similar.

• Similar

• Not similar

How long is side x?

• 3
• 1.5
• 8
• 2/3

Find side length X.

• 30
• 25
• 15
• 40

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree?

• 144 feet
• 72 feet
• 36 feet

What is the measure of x?

• 12
• 15
• 6
• 9

Solve for x.

• 21
• 14
• 12
• 18

Solve for x. 

• 10
• 18
• 20
• 12

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• AA

• SSS

• SAS

• Not similar