Circles- radius, diameter, circumference, and area

The distance from any point on the outside of a circle to the center of the circle is called what?

• Diameter

• Circumference

• Area

• Radius

The distance across a circle through the center is called what?

• Area

• Diameter

• Circumference

• Radius

The distance around the outside of a circle is called what?

• Perimeter

• Area

• Circumference

• Diameter

If the radius of a circle is 4 inches, what is the diameter?

• 2 inches

• 2 feet

• 4 inches

• 8 inches

What is the circumference of this circle ?

• 3.14 cm

• 37.68 cm

• 24 cm

• 68.4 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

If the diameter of a circle is 10 mm, the circumference is approximately ___

• 314 mm

• 3.14 mm

• 31.4 mm

• 20 mm

True or False: The radius goes half way across the circle

• False

• True

What is the area of this circle?

• 1256.64
• 31.41
• 314.16
• 123.12

Tags

CCSS.HSG.GMD.A.1

What is the area of this circle?

• 6082.12
• 1520.53
• 1893.14
• 1292.92

Tags

CCSS.HSG.GMD.A.1