Circumference and Area of Circles and Composite Figures

What is the area of the yellow?

• 78.5 mi²

• 19.625 mi²

• 39.25 mi²

• 31.4 mi²

What is the definition of pi?

• The ratio of a circle's circumference to its diameter

• The ratio of a circle's radius to its diameter

• The ratio of a circle's area to its diameter

• The ratio of a circle's circumference to its are

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

What is the area of the shaded region?

• 20 sq cm

• 4 sq cm

• 30 sq cm

• 24 sq cm

What is the area of the composite figure?

• 40 sq cm

• 65 sq cm

• 52.5 sq cm

• 25 sq cm

What is the area of the composite figure?

• 80 cm²

• 16 cm²

• 96 cm²

• 32 cm²

What is the area of the composite figure?

• 144 m²

• 111 m²

• 45 m²

• 70 m²

What is the area of the figure?

• 48 ft2

• 216 ft2

• 65 ft2

• 128 ft2

• 81

• 27

• 15.5

• 13

How far does a car travel in one lap around the

track?

• 1.57 miles

• 1 mile

• 15.7 miles

• .25 miles