Similarity Perimeter and Area

The perimeter of one rectangle is 12 units. The perimeter of another rectangle is 20 units. If the area of the SECOND rectangle is 16 square units, what is the area of the first rectangle?

• 5.76 square units

• 9.6 square units

• 26.7 square units

• 44.4 square units

Find the ratio (red to blue) of the perimeters for these similar parallelograms.

• 11/6

• 6/11

• 121/36

• 36/121

Find the ratio (red to blue) of the area for these similar parallelograms.

• 11/6

• 6/11

• 121/36

• 36/121

Find the ratio (blue to red) of the perimeters for these similar pentagons.

• 4/7

• 7/4

• 49/16

• 16/49

Find the ratio (blue to red) of the areas for these similar pentagons.

• 4/7

• 7/4

• 49/16

• 16/49

The ratio of similarity of the figures shown is 5/3. What is the ratio of the areas?

• 5/3

• 3/5

• 25/9

• 9/25

A square with 4 congruent circles inscribed has a perimeter of 64. Find the shaded area.

• None of these

Find the Area of the Polygon

• 74

• 96

• 72

• 84

The ratio of similarity of the figures below is 5/3. What is the ratio of the perimeters?

• 3/5

• 5/3

• 25/9

• 9/25

Find the area of the shaded region.

• 144π - 288 cm²

• 72π - 144 cm²

• 144π - 72 cm²

• 144π - 360 cm²