Radius, Diameter, Circumference, Area

What is the radius of a circle if the diameter is 10 and the circumference is 31.4?

Tags

CCSS.7.G.B.4

What is the area of a circle with a radius of 3?
Use A=πr²

• 9π

• 5π

• 91π

• 34π

Tags

CCSS.7.G.B.4

What is the diameter of this circle?

• 3.5

• 3

• 5

• 7

Tags

CCSS.7.G.B.4

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

What is the radius?

• 18

• 72

• 38

• 14

Tags

CCSS.7.G.B.4

Does this picture show the diameter or radius of a circle?

• Diameter

• Radius

What is the diameter of a circle?

• the distance around a circle

• the area of a circle

• halfway through a circle

• a line through the center of a circle

Tags

CCSS.HSG.C.A.2

If you are placing a fence around a circular garden, which of the following are you solving for?

• Area

• Circumference

• Radius

• Diameter

The radius of a circle is _______ the diameter.

• 
  half

• 
  triple

• twice

• double

Tags

CCSS.7.G.B.4

What is the distance around the circle called?

• Circumference

• Diameter

• Area

• Radius