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- Dirtman
- Expert
**Posts:**574**Joined:**Sat Jan 21, 2006 2:04 pm**Location:**California

convert 8 inch diameter into square inches

convert 6 inch diameter into square inches

convert 6 inch diameter into square inches

- dvangossen

dvangossen wrote:convert 8 inch diameter into square inches

convert 6 inch diameter into square inches

Here are the formulas for determining the area of a circle when you have either the radius or the diameter:

PI * Radius^2

or

PI/4 * Diameter^2

I'll do the first circle. The diameter given is 8", so:

(3.1416/4) * 8 * 8 = 0.7854 * 64 = 50.27 square inches

- Dirtman
- Expert
**Posts:**574**Joined:**Sat Jan 21, 2006 2:04 pm**Location:**California

Dirtman wrote:dvangossen wrote:convert 8 inch diameter into square inches

convert 6 inch diameter into square inches

Here are the formulas for determining the area of a circle when you have either the radius or the diameter:

PI * Radius^2

or

PI/4 * Diameter^2

I'll do the first circle. The diameter given is 8", so:

(3.1416/4) * 8 * 8 = 0.7854 * 64 = 50.27 square inches

Thanks you for the post.

- amandak695
**Posts:**1**Joined:**Mon Aug 30, 2010 10:13 am

5 posts
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