Area and Perimeter of Composite Figures

What is the area of semi-circle with a radius of 10 cm?

• 39.3 sq. cm

• 157 sq. cm

• 62.8 sq. cm

• 31.4 sq cm

7. Which of the following is closest to the area of the figure shown?

• 420 cm²
• 521 cm²
• 320 cm²
• 1,124 cm²

Find the area of the composite figure.

• 100
• 178.5
• 139.25
• 175

Find the composite area.

• 72.12

• 146.24

• 96

• 121.12

Find the perimeter of the figure.  Use 3.14 for pi.

• 20.56 in.
• 17.3 in.
• 17.8 in.
• 31.88 in.

The Cruz family is buying a custom-made cover for their swimming pool, shown above. The cover costs $2.95 per square foot. How much will the cover cost? Round to the nearest cent.

• $422.10
• $551.63
• $1,627.29
• $1,106.25

11. A company’s logo is formed by drawing a circle and then replacing the two opposite quarter circles with squares as shown. 
What is the approximate area of the logo?

• 46 cm²
• 32 cm²
• 71 cm²
• 85 cm²

What is the area of the shaded region?

What is the area of the shaded region?

• 16 cm²

• 12.9 cm²

• 22.4 cm²

• 15.8 cm²

What is the area (to the nearest hundredth) of the figure shown below? (Both rounded regions are semi-circles.)

• 16.56 in squared

• 7.14 in squared

• 4 in squared

• 12 in squared