**Diameter**is the distance across a circle through its centre

Some Examples:

**Radius (radii is the plural)**is the distance from the centre of a circle to its outer edge

Some Examples:

We can do the formula 2R=D this means that 2 radii are needed to make a diameter of a circle.

1/2 x D = R

D/2 = R

Example:

Here's a video....

This has some extra things but it's still helpful.

More Help? Then Check this out. (it has some extra stuff but it still helps)

## No comments:

## Post a Comment