Geometry Similarity and Proportions

One corresponding set of sides are ​ (a)  

• AB and DE

• AB and EF

• B and D

• EF and DE

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

Correctly match the statements about similar figures.

• matching

• Corresponding angles are...

• congruent

• Two figures with the same...

• size

• Corresponding means...

• shape

• Corresponding sides are...

• proportional

• Not the same...

Which proportion is true?

Which proportion is true?

_{Line AB corresponds with what line?} 

• XZ

• XY

• YZ

• YX

Which side is corresponding to 18?

• 5

• 6

• 7

• 15

The pairs of polygons below are similar. What is the scale factor of figure A to figure B?

• 1/3

• 5/2

• 2/5

• 3

If the scale factor of figure A to figure B is 4:5, what is the value of x?,

x =

If the scale factor of figure A to figure B is 7:2, what is the perimeter of figure A if the perimeter of figure B is 10 units?

x =