Area and Circumference of Circles

How much orange paint is needed to paint the entire circle?

• 50.27 sq. cm.

• 78.23 sq. cm.

• 98.12 sq. cm.

• 201.06 sq. cm.

How much fencing is needed to go around the entire garden?

• 88 in

• 44 in

• 116 square in

• None of the above

Enrique purchases an antique bowl for his mom for Mother's Day. The diameter of the bowl is 18 cm. What is the circumference of the bowl? (Round to the nearest whole number.)

• 28 cm

• 57 cm

• 254 cm

• 1017 cm

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

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

• 11.32 ft

• 12.25 ft

• 10.99 ft

• 8.75 ft

Find the area of the circle

• 21.98 units²

• 153.86 units²

• 87.82 units²

• 615.44 units²

If the circumference of a circle is 69.08 ft, what is the DIAMETER?

• 22 ft

• 11 ft

• π ft

• 0 ft

If the circumference of a circle is 138.16 ft, what is the RADIUS?

• 22 ft

• 11ft

• π ft

• no ft

The _____ is the distance from the center to any point on the circle.

• diameter

• radius

• π

• center

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

• 66 cm²

• 78.5 cm²

• 66.5 cm²

• 314 cm²