Circles, Volume, and composite shapes

find the area of the circle with radius 3 cm below.

• 100 cm²
• 225 cm²
• 9 cm²
• 28.26 cm²

The diagram below shows the radius of the circular opening of a bowl. What is the approximate circumference of the opening in centimeters?

• 29.83

• 9.5

• 59.66

Mrs. Wilson placed the welcome mat shown below on her front door step. What is the area of her welcome mat in square feet?

• A = 30.15

• A = 25.12

• A = 56.12

• A = 16.5

• 153.86 cm
• 21.98 cm
• 21.98 cm²
• 153.86 cm²

What is the area of this circle?

• 15393.8
• 1248.12
• 5930.12
• 3848.45

Find the circumference of a circle with
radius = 100 cm

• 628.3 cm
• 31.42 cm
• 314.2 cm
• 310 cm

• 102 cm2
• 110 cm2
• 211 cm2
• 112 cm2

What is the area of the shaded region?

• 14 m²
• 120 m²
• 106 m²
• 134 m²

What is the area of the composite shape?

• 40 ft2

• 9 ft2

• 61 ft2

• 49 ft2

What is the area of the composite shape?

• 154 cm2

• 459 cm2

• 396 cm2

• 522 cm2