Question

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

Answer 1

2.4 cm

Explanation:

The diameter of a circle is twice the radius

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

Answer 2

2.4cm

Explanation:

Since:

`2*radius = diameter`

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

`2*1.2=2.4`

Answer 3

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

Explanation:

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

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Answer 4

`2.4cm`

Explanation:

`"Diameter"=2xx"radius"`

Radius =`1.2cm`

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