Perimeter

The figures are similar. If the perimeter of the larger rectangle is 33.2 inches, what is the perimeter of the smaller rectangle?

• 19.36

• 17.6

• 68.89

• 8.8

The figures below are similar. The labeled sides are corresponding.

What is the perimeter of the smaller triangle?

• 23.8 mm

• 10.2 mm

• 6.67 mm

• 4.3 mm

What is the ratio of the perimeters of two similar figures?

• Ratio of corresponding side lengths

• Ratio of volumes.

• Ratio of areas.

• Ratio of corresponding angles.

Three sides of a triangle are 12, 16, and 22. The biggest side of another similar triangle is 176. What is the perimeter of the bigger triangle?

• 320

• 360

• 400

• 440

In similar triangles, if the ratio of the lengths of corresponding sides is 3:8, and one side of the smaller triangle is 20 cm, what is the length of the corresponding side in the larger triangle?

• 12.5

• 35.75

• 44.44

• 53.33

The figures below are similar. The labeled sides are corresponding.

What is the perimeter of the smaller hexagon?

• 5 cm

• 1/6 cm

• 6 cm

• not enough info

Two similar triangles have a similarity ratio of $\frac{2}{3}$ . What will be the ratio of the triangles perimeter and area's?

• Perimeter:  $\frac{2}{3}$    ; Area:  $\frac{4}{9}$  

• Perimeter:  $\frac{4}{9}$     ; Area:  $\frac{2}{3}$ 

• Perimeter:  $\frac{2}{3}$    ; Area:  $\frac{2}{3}$  

• Perimeter:  $\frac{4}{9}$     ; Area:  $\frac{4}{9}$  

If the ratio of corresponding sides in two similar polygons is 1:2, and one side of the first polygon is 10 units, what is the length of the corresponding side in the second polygon?

• 20

• 30

• 15

• 5

Find the ratios (red to blue) of the perimeter and the area.

• Perimeter: 20/54
  Area: 58/485
  Area:
• Perimeter: 3/4
  Area: 9/16
• Perimeter: 58/299
  Area: 57/383
• Perimeter: 5/10
  Area: 19/46

The triangles are similar and the perimeter of SRT = 15. What is the scale factor between the two?

• ⅘

• ⅚

• ½

• ¾