Circumference & Pi

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

Tags

CCSS.7.G.B.4

What number represents π?

• 31.4

• 4.13

• 3.14

• 34.1

Tags

CCSS.HSG.GMD.A.1

_______________ is the distance around a circle.

• circumference

• radius

• center

• diameter

If you divide the circumference of a circle by its diameter, what answer will you always get?

• The radius

• The area

• Pi

• cake

Tags

CCSS.7.G.B.4

What does "circumference" mean?

• Space a circle takes up

• Distance around a circle

• Line from one side of a circle to another

• Line from center of circle to side

Determine the radius of the penny

• 59.66 mm

• 9.5 mm

• 38 mm

• 119.32 mm

Tags

CCSS.7.G.B.4

Serena drew a circle with a circumference of 157 centimeters.  What is the approximate diameter of the circle she drew?

• 57 cm

• 15.7 cm

• 50 cm

• 25 cm

Tags

CCSS.7.G.B.4

• The square root of the area of a circle.

• The ratio of the radius of a circle to its diameter.

• The radius of a circle times 3.14. 

• The ratio of the circumference of a circle to its diameter.

Tags

CCSS.7.G.B.4

Find the circumference to the nearest foot?

• 231 feet squared

• 132 feet squared

• 321 feet squaed

• 123 feet squared

Tags

CCSS.7.G.B.4

The radius of a circle is 12 centimeters.

What is the circumference?

• 12π cm

• 24π cm

• 6π m

• 3π m

Tags

CCSS.7.G.B.4