Circumference and Area of Circles

Find the area of the circle

• 43.96

• 153.86

• 87.82

• 307.72

What is the area of this circle?

• 15393.8

• 1248.12

• 5930.12

• 3848.45

Find the area of the circle

• 56.52

• 254.34

• 1017.36

• 113.04

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 area of the circle below.

• 100 cm

• 225 cm

• 9 cm

• 28.26 cm

The radius is....

• a line that crosses through the center and touches each edge 

• the center point of a circle 

• a line from the center point to the edge of the circle

• an element in science

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

A city is designing a new garden. A scale drawing of the garden is shown below. What is the circumference of the garden?

• 628 feet

• 200 feet

• 100 feet

• 542 feet

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

• c = π15

• C = 2π15

• c = 15 ÷ π

• c = 15 π²

A circular pie has an area of 706.5 cm². What is the radius of the pie?

• 225 cm

• 30 cm

• 15 cm

• 112.5 cm