Solving Similar Triangles with Perimeter

Similar figures have side lengths that are _____________.

• similar

• proportional

• congruent

• short

• 1:3

• 3

• 2:3

• 3:2

Two sides of an isosceles triangle are 10 inches and 20 inches.  If the shortest side of a similar triangle is 50 inches, what is the perimeter of the larger triangle?

• 250"

• 200"

• 150"

• 100"

• 7

• 12

• 6

• 4

Find the value of X.

• 4

• 6

• 12

• 7

Use the information in the diagram to determine the height of the tree.

• 80 feet

• 320 feet

• 40 feet

• 160 feet

What is the measure of x?

• 12

• 15

• 6

• 9

To measure the distance across a pond, a surveyor locates points A, B, C, D, and E as shown.  What is AB to the nearest meter?

• 10

• 12

• 15

• 18