Circle Circumference and Area

Find the area of the circle.

Find the CIRCUMFERENCE of the circle.

What is the circumference of a circle with a diameter of 10 cm?

• 10π cm

• 5π cm

• 100π cm

• 25π cm

What is the radius of this circle?

• 18
• 36
• 9
• 6

The perimeter of a circle is its ____.

• Circumference
• Area
• Diameter
• Radius

what is the circumference of this circle ?

• 12π cm

• 24π cm

• 144π cm

• 6π cm

Find the area of the circle.

• 36π

• 6π

• 12π

• 144π

• 44π

A bicycle tire has a radius of 8 inches. What is the circumference of this tire? Use 3.14 for pi.

• 25.12 in

• 50.24 in

• 12.54 in

• 200.96 in

Find the circumference. Leave your answer in terms of pi. 

 

• 4

Find the area of this circle. Leave your answers in terms of pi.