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

Tags

CCSS.HSG.CO.A.1

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

• Area

• Diameter

• Circumference

• Radius

Tags

CCSS.HSG.CO.A.1

What is the space that a circle covers called?

• Area

• Radius

• Circumference

• Diameter

Tags

CCSS.HSG.GMD.A.1

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

• 2 inches

• 2 feet

• 4 inches

• 8 inches

Tags

CCSS.4.MD.A.2

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

Tags

CCSS.4.MD.A.2

CCSS.4.OA.A.2

What is the distance around a circle called?

• Circumference

• Area

• Diameter

• Radius

What is the diameter of this circle?

• 3.5
• 3
• 5
• 7

Tags

CCSS.7.G.B.4

How do you find the area of a circle?

• $A=\pi d^2$

• $A=\pi r^2$

• $A=2\pi r$

• $A\ =2\pi^2$

What is the Circumference of this circle? 

(Use 3.14 for  $\pi$  )

• 452.39 cm

• 452.16 cm

• 75.36 cm

• 75.40 cm

Tags

CCSS.HSG.GMD.A.1

What is the area of this circle?
(Use 3.14 for  $\pi$  )

• 75.40 cm

• 452.16  $cm^2$  

• 452.16 cm

• 75.40  $cm^2$  

Tags

CCSS.HSG.GMD.A.1