Circumference and Area of Circles, Rectangles, and Parallelograms

what is the area of a circle with the diameter of 10cm ?

• 66cm
• 78.5cm
• 66.5cm
• 10m

Find the area of the circle

• 43.96
• 153.86
• 87.82
• 307.72

What is the radius of this circle?

• 12cm
• 6cm
• 24cm
• 3cm

What is the area of this circle?

• 62.59
• 113.1
• 19.81
• 28.27

What is the diameter of this circle?

• 3.5
• 3
• 5
• 7

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?

• 31.25 m²
• 29.55 m²
• 30.36 m²
• 28.26 m²

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

A ball has a circumference of 9.42 cm. What is the diameter?

• 29.5788 cm
• 59.1576 cm
• 3 cm
• 1.5 cm

Steven purchases a bowl. The diameter of the bowl is 14 cm.
What is the distance around the bowl?

• 21.98 cm
• 43.98 cm
• 87.96 cm
• 7 cm

What is the area of this circle?

• 50.27 cm²

• 78.23 cm²

• 98.12 cm²

• 201.06 cm²