Circumference Radius Diameter of a Circle

what is the circumference of this circle ?

• 3.14 cm 

• 37.68 cm

• 24 cm

• 68.4 cm

If my radius is 10ft, what is my diameter?

• 20ft

• 5ft

• 31.4ft

• 62.8ft

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

• 10.5 ft

• 42 ft

• 65.94 ft

• 131.95 ft

The circumference of a circle is

• The measurement from an edge of a circle to another edge.

• The measurement around the circle

• The measurement from an edge of a circle to another edge going through the center

• The measurement from the center of the circle to an edge of the circle

Find the circumference of the circle given.

Mathematical Equivalence

ON

Find the circumference of the circle given. Round your answer to the nearest tenth.

Mathematical Equivalence

ON

The Jones family wants to enclose their circular garden with a fence. To the nearest foot, what is the minimum length of fencing they need to buy? (a)  

• 56.25 ft

• 246 ft

• 365 ft

• 393 ft

What is the circumference? Round to the nearest tenth

Mathematical Equivalence

ON

What is the circumference?

Mathematical Equivalence

ON

If the diameter of a circle is 10 mm, the circumference is approximately ___

• 314 mm

• 3.14 mm

• 31.4 mm

• 20 mm