Geometry Similar Triangles and Proportions

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

• congruent, proportional 

• proportional, congruent 

• congruent, congruent

• proportional, proportional

Are the triangles similar? Explain.

• No, because only one angle of the triangles is congruent.

• Yes, because two of the angles are congruent.

• No, because only one triangle has a right angle.

• Not enough information to determine.

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Solve for x.

• 12

• 18

• 9

• 36

Solve for x.

• 3
  -----
  10

• 10
  -----
  3

• 44x+24
  -----------
  (2x+4)(4)

• 30
  ------
  3.1

What side corresponds with AB? 

• BC

• FE

• DE

• FD

Write a proportion to find how many points a student needs to score on a test in order to get the given percent:
The test is worth 12 points.
The test score is 75%.

• p/12=100/75

• p/100=12/75

• p/12=75/100

• p/75=12/100

Solve for x

• 1/2

• 25/8

• 11

• 53/4

Find the value of x using proportions.

• a

• b

• c

• d

State if the triangles in each pair are similar. If so, state how you know they are similar.

• Yes, AA Similarity

• Yes, SSS Similarity

• Yes, SAS Similarity

• Not Similar