Missing Triangle Side Lengths Similarity

The ratio of the measures of the sides of a triangle is 4:9:8. If the perimeter

of the triangle is 147 feet, find the measure of the shortest side.

• 7

• 28

• 56

• 63

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

• x = 12

• x = 3

• x = 40

• x = 4

Are these triangles congruent, similar, both, or neither?

• Similar

• Congruent

• Both

• Neither

As it relates to geometry, what does it mean for figures to be similar?

• corresponding sides are proportional and corresponding angles are congruent

• corresponding sides and angles are congruent

• angles are similar, and side lengths are the same, producing a figure that looks very close to another one.

• neither sides or angles are congruent

Are Triangle ABC and Triangle XYZ similar?

• No, corresponding angles are not congruent

• No, corresponding sides are not proportional

• Yes, corresponding angles are congruent

• Yes, corresponding sides are proportional

Are these triangles similar?

• Yes

• No, they are congruent

• There is not enough information to determine this

• No, they are not similar nor congruent

Find side length X.

• 22.5

• 10

• 9

• 7.5

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

• 3.75

• 9.75

• 10

• 12

If two figures are similar, the corresponding sides are ______________.

• equal

• congruent

• proportional

• none of these

Choose the similarity statement for the triangles.

• ΔMNL ∼ ΔOPQ

• ΔNOM ∼ ΔPQL

• ΔLMN ∼ ΔPQO

• ΔMLN ∼ ΔPQO