Geometry Circles Formulas

What is the diameter?

• 8

• 16

• 10

• 4

Tags

CCSS.7.G.B.4

what is the circumference of this circle ?

• 3.14 cm 

• 37.68 cm

• 24 cm

• 68.4 cm

Tags

CCSS.7.G.B.4

What is the distance around a circle?

• Circumference

• Area

• Diameter

• Radius

The diameter of a circle is 3 centimeters. What is the circumference?

• 11.5cm

• 9.42 cm

• unicorns are narwahls

• 45.3 cm

Tags

CCSS.7.G.B.4

Daniel wants to buy cookies for her friend. The
radius of a cookie is 5 inches. What is the cookie’s 
circumference?

• 10 in

• 2.5 in

• 15.7 in

• 31.4 in 

Tags

CCSS.7.G.B.4

The radius of a quarter circle is 4 inches. What is the quarter circle's perimeter.

• 12.63 in

• 14.28 in

• 10.68 in

• 13.63 in

Tags

CCSS.HSG.C.B.5

The radius of a quarter circle is 3 inches. What is the quarter circle's perimeter.

• 11.91 in

• 10.47 in

• 10.71 in

• 9.11 in

Tags

CCSS.HSG.C.B.5

The radius of a quarter circle is 2 inches. What is the quarter circle's perimeter.

• 7.86 in

• 7.14 in

• 6.76 in

• 5.41 in

Tags

CCSS.HSG.C.B.5

A minute hand (radius) of a clock is 13.8 meters long. What is the circumference of the clock?

• 86.70 meters

• 76.66 meters

• 66.66 meters

• 96.66 meters

Tags

CCSS.7.G.B.4

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

• 20ft

• 5ft

• 31.4ft

• 62.8ft

Tags

CCSS.7.G.B.4