The radius of a ring is 1.2 cm. What is the diameter?

4 Answers
Apr 25, 2018

2.4 cm

Explanation:

The diameter of a circle is twice the radius

http://schools-wikipedia.org/wp/c/Circle.htm

Thus a ring with radius 1.2 cm has a diameter of 2.4 cm

Apr 25, 2018

2.4cm

Explanation:

Since:

#2*radius = diameter#

The diameter of a ring with radius of 1.2cm is:

#2*1.2=2.4#

Apr 25, 2018

radius #r=1.2 cm#, diameter #d=2*r=2.4 cm#

Explanation:

diameter #d=2*r=2*1.2 " cm"=2.4 " cm"#

For definition click here.

Apr 25, 2018

#2.4cm#

Explanation:

#"Diameter"=2xx"radius"#

Radius =#1.2cm#

#therefore# #-> "diameter"=2 xx 1.2=2.4cm#

https://ncalculators.com/area-volume/circle-calculator.htm