Radius and Circle

Find the radius of a circle who's diameter is 40 ft.

• 40ft

• 80ft

• 20ft

• 45ft

Tags

CCSS.7.G.B.4

Which of the following is a radius of the circle?

• DA

• GE

• HI

• FG

The distance halfway across the circle is called the...

• radius

• diameter

• circumference

• area

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

• Diameter

• Radius

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 of this circle?

• 12cm

• 6cm

• 24cm

• 3cm

Tags

CCSS.7.G.B.4

What is the diameter?

• 5 in

• 10 in

• 3.14 in

• 15.84 in

Tags

CCSS.7.G.B.4

What is the diameter?

• 8

• 16

• 10

• 4

Tags

CCSS.7.G.B.4

If the diameter of a circle is 10 cm, the radius is 5 cm.

• TRUE

• FALSE

Tags

CCSS.7.G.B.4

The circumference of a circle is

• The measurement from an edge of a circle to another edge.

• The measurement around the circle

• The measurement from an edge of a circle to another edge going through the center

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