Similarity Problems

The ratio of the perimeter of ▲U to the perimeter of ▲V is 1:2. If the triangles are similar, what is the value of x + y?

• 3

• 6

• 12

• 18

ΔQRS∼ΔTUV. Find the value of y.

• 3.6

• 5.5

• 19

• 33

Determine whether each pair of triangles is similar. Justify your answer.

• Yes, AA∼

• Not similar

• Yes, SAS∼

• Yes, SSS∼

Find the value of x using proportions.

• a

• b

• c

• d

Solve for b.

• a

• b

• c

• d

The lengths of the sides of a triangle are 6, 18, and 22. If the length of the longest side of a similar triangle is 33, find the length of the shortest side.

• 9

• 12

• 15

• 6

What is the missing Angle?

The triangles are similar, solve for the question mark.

• 8

• 12.5

• 18

• 24

How do these triangles appear to be similar?
(Hint: Look for non-labeled parts!)

• AA

• SAS

• SSS

• Not Similar

The figures are similar. Therefore the length of x is ​ (a)   .

• 20 inches

• 16 inches

• 8 inches

• 30 inches

Tags

7.5.A

7.5.C