Area of a Circle from Radius

Marisa purchases a clay pot for her father's garden. The diameter of the bottom of the pot is 18 cm. What is the area of the clay pot's bottom? (Round to the nearest whole number.)

• 28 cm²

• 57 cm²

• 254 cm²

• 1017 cm²

What is the radius of this circle?

• 9.75 mm

• 19.5 mm

• 4.875 mm

• 30.615 mm

What is the area of a circle with a diameter of 10 mm ?

• 31.4 mm²

• 78.5 mm²

• 15.7 mm²

• 314 mm²

Which of the following choices is closest to the area of the circle?

• 253.34 m²

• 63.59 m²

• 56.52 m²

• 28.26 m²

The diameter of the face-off circle on an ice-hockey rink is 30 feet. Find its area.

• 675.6 ft²

• 29.67 ft²

• 545.8 ft²

• 706.5 ft²

What's the area of the circle?

• 15393.8 mi²

• 1248.12 mi²

• 5930.12 mi²

• 3848.45 mi²

• Diameter

• Radius

• Circumference

• :)

In order to find area of a circle, you have to ______________

• Square the radius

• add the radius

• divide the radius

• Not sure:((

A line that goes from the center to outwards is called...

• Diameter

• Circumference

• Radius

• Say what???

• 3.11

• 3.12

• 3.14

• 3.15