Radius
Diameter
Circumference
Area
Word Problems
100

Diameter = 7.4 mm

Radius = 

What is 3.7 mm?

100

The circumference of a round mirror is 84.78 cm. The diameter is ...

What is 27 cm?

100

The radius of a circle is 13.2 km. The circumference of the circle is ...

What is 82.896 km?

100

The diameter of a circle is 25 m. The area of the circle is ...

What is 490.625 square meters?

100

Cassie made a dinner plate in pottery class. The diameter of the plate is 12 inches. If Cassie paints the top of the plate, the number of square inches covered by the paint is...

What is 113.04 square inches?

200

Sean is building a round table. The table has a diameter of 6.5 feet. The radius of the table is ...

What is 3.25 ft?

200

Radius = 109.9 units

Diameter = 

What is 219.8 units?

200

The diameter of a circle is 7.4 mm. The circumference of the circle is ...

What is 23.236 mm?

200

David calculates that the circumference of his frisbee is 26.69 in. The area of the frisbee is ...

What is 56.72 square inches?

200

Nicholas is painting a circular mural. The mural takes up 706.5 square feet of space. The radius of the mural is...

What is 15 feet?

300

The circumference of a circle is 138.16 cm. The radius of the circle is ...

What is 22 cm?

300

Ben observes that to run one lap around his school's circular track, he has to run 5260 feet. The diameter of the track is ...

What is 1675.16 ft?

300

The diameter of a round mirror is 27 cm. You want to put a ribbon around the mirror for decoration. The length of the ribbon you need is ...

What is 84.78 cm?

300

A sprinkler can spray 7 feet out and rotates in a circle to cover all directions. The total area covered by the sprinkler is ...

What is 153.86 square feet?

300

Leslie wants to replace only the top of a round footstool with new fabric. The diameter of the top of the footstool is 19 inches. The amount of new fabric Leslie will need to cover the footstool is...

What is 283.39 square inches?

400

The diameter of the bottom of a merry-go-round is 38 feet. The radius of the merry-go-round is ...

What is 19 feet?

400

A pond covers an area of 4069.44 square yards. The diameter of the pond is ...

What is 72 yards?

400

Dexter is building a fence around his circular garden. the diameter of the garden is 35 feet. The length of fence he needs to enclose his garden is ...

What is 109.9 ft?

400

Sean is building a round table. The table has a diameter of 6.5 feet. The area of the table is ...

What is 33.17 square feet?

400

Abby is making a round mouse maze for her pet mouse. The diameter of the maze is 24 inches. The circumference of the maze is...

What is 75.36 inches?

500

The pond covers an area of 4069.44 square yards. The radius of the pond is ...

What is 36 yards?

500

The area of a circle is 490.625 m. The diameter of the circle is ...

What is 25 m?

500

The area of a circle is 2041.79 square inches. The circumference of the circle is ...

What is 160.12 in?

500

Jason bought a pizza with a diameter of 16 inches. The pizza is cut into 12 equal slices. The area of one slice of pizza is...

What is 16.75 square inches?

500

Suppose the circumference of a circle is 44 cm. The area of this circle is ...

What is 153.86 square cm?

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