Circumference Area Radius and Diameter

The radius of a circle is

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

• The measurement around the circle

• The measurement from and edge of the circle to another edge through the center

• A line perpendicular to the diameter of the circle

What is the radius?

• 18

• 72

• 38

• 14

Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?

• 28 cm

• 43.96 cm

• 87.96 cm

• 7 cm

Find the circumference of a circle with a radius of 13.5 mm.

• 37.68mm

• 18.84mm

• 84.78 mm

• none of the above

What is the radius?

• 18

• 72

• 38

• 14

What is the length of the radius of the circle?

Tags

CCSS.MATH.CONTENT.7.G.B.4

Determine the radius of the penny

• 59.66 mm

• 9.5 mm

• 38 mm

• 119.32 mm

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

Which of the following is a radius of the circle?

• DA

• GE

• HI

• FG

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

• The radius

• The area

• Pi

• cake