Similar Figures with Algebra

The pair of figures is similar. Find the missing side.

• x = 9

• x = 28

• x = 7

• x = 63

• A
• B
• C
• D

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

Solve for x.

• 100

• 143

• 4

• 95

Figure JKLM is similar to figure PQRS.

Which proportion must be true for

these figures?

• 
• 
• 
• 

Triangles ABC and DEF are similar. The slope of the diagonal of ABC is...

• F

• G

• H

• J

Tell whether the two figures are similar. Explain your reasoning.

• Yes, similar because they are the same shape and side lengths are proportional.

• No, not similar because they are the same shape, but side lengths are not proportional.

• Yes, same shape

• No, different sizes

The diagram below shows a rectangle that is 9 m by 15 m in measure. Which is the measure of a rectangle that is similar to the rectangle above?

• 14 m x 20 m

• 45 m x 75 m

• 18 m x 31 m

• 6 m x 12 m

Tell whether the two figures are congruent or similar.

• Congruent, because their sides are the same.

• Congruent, because their sides are proportional.

• Similar, because their sides are the same.

• Similar, because their sides are proportional.

• They are not congruent or similar.