Radius Diameter and Circumference

A straight line from the center of a circle to the circumference is called the ____.

• Diameter

• Circumference

• Radius

• Area

Tags

CCSS.HSG.C.A.2

A straight line segment that passes through the center of a circle and whose endpoints lie on the circumference of the circle is called the ____.

• Diameter

• Radius

• Circumference

• Area

Tags

CCSS.HSG.C.A.2

What is the radius?

• 8 mm

• 4 mm

• 16 mm

Tags

CCSS.7.G.B.4

Is the red line a radius or diameter of the circle?

• Radius

• Diameter

Given that the circumference of a circle is 62, what would be the radius of that circle? The diameter? Round to the nearest hundreth.

• radius- 9.87/ diameter- 19.75

• radius- 19.75/ diameter- 9.87

• radius- 19.75/ diameter- 39.5

• radius- 4.94/ diameter- 9.87

Tags

CCSS.7.G.B.4

• 15.7 in

• 10 in

• 5 in

• 98.64 in

Tags

CCSS.7.G.B.4

If my circumference is 163.28ft, what is my radius?

• 52 ft

• 26 ft

• 3.14 ft

• 163.28 ft

Tags

CCSS.7.G.B.4

Sally has car tire with a circumference of 75.36 ft. What is the radius of the car tire and what is the diameter? (Use 3.14 for pi)

• r=12 ft

• d=26 ft

• r=13 ft

• d=24 ft

Tags

CCSS.7.G.B.4

What is the radius measurement? ​ (a)  

• 6 cm

• 12 cm 

• 24 cm

Tags

CCSS.7.G.B.4

What is the circle's radius?

• 3 m

• 6 m

• 12 m

Tags

CCSS.7.G.B.4