Circumference of a circle

What is the formula for a circumference?

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a radius of 10 cm.

• 62.8m

• 62.8cm

• 6.28cm

• 6.28m

Tags

CCSS.7.G.B.4

 You can also use the formula of the circumference as 2πr

• True

• False

Tags

CCSS.7.G.B.4

What is a circumference?

• Distance around a book.

• Distance around a table.

• Distance around a monitor.

• Distance around a football.

Find the perimeter of the diagram given to the left.

• 25.12m

• 251.2m

• 50.24m

• 502.4m

Tags

CCSS.3.MD.D.8

The diagram on the left shows:

• The circumference of the circle

• The perimeter of the circle

• The distance around the circle

• All of them

The diagram on the left shows:

• The diameter of the circle

• The radius of the circle

• The distance across the circle

• All of them

The diagram on the left shows the:

• Distance across the circle

• Distance across the circle through the origin

• Distance from the origin to any of the points on the circumference

• All of them

Tags

CCSS.HSG.C.A.2

Which formula would you use to find the circumference of the diagram given on the right?

Tags

CCSS.7.G.B.4

What is the circumference of the circle given on the left?

• 21.98mm

• 219.8mm

Tags

CCSS.7.G.B.4