Finding Radius or Diameter When Given Circumference

The ratio between a circle's circumference and ​ (a)   is ​ (b)  

• diameter

• radius

Tags

CCSS.7.G.B.4

The circumference of a circle is 25.12 cm. What is the diameter to the nearest centimeter?

• 4 cm

• 8 cm

• 25 cm

• 75 cm

Tags

CCSS.7.G.B.4

The distance around a circular dance hall room is 135 feet. Which of the following is closest to the longest distance across the dance hall?

• 19 feet

• 28 feet

• 36 feet

• 43 feet

Tags

CCSS.7.G.B.4

How many cookies are there?

• 48 cookies

• 24 cookies

• 8 cookies

• 4 cookies

Tags

CCSS.4.MD.A.2

Find the radius if the circumference is 14.444

Tags

CCSS.7.G.B.4

Find the diameter if the circumference is 166.42

Tags

CCSS.7.G.B.4

Find the radius if the circumference is 102.05

Tags

CCSS.7.G.B.4

Find the diameter if the circumference is 157

Tags

CCSS.7.G.B.4

The circumference of this circle is 54 meters, approximately how long is the diameter?

• 27 meters

• 3.14 meters

• 9 meters

• 18 meters

Tags

CCSS.7.G.B.4

If my circumference is 50.24ft, what is my radius?

• 8 ft

• 16 ft

• 25.12 ft

• 50.24 ft

Tags

CCSS.7.G.B.4