Posted by **Ivan J** on Thursday, May 15, 2008 at 8:18pm.

How do we find the perimeter and area of an object using an inch ruler?

- Math -
**drwls**, Thursday, May 15, 2008 at 8:29pm
Determine tha important dimensions (length, width, height, diameter etc.) and what kind of a shape it is. Then use the appropriate formula to compute the volume, area or perimeter. For example, for a cylinder the perimeter is pi r^2.

Areas and volumes cannot be measured directly with a linear scale.

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