a.	Locate coordinates in the first quadrant of a coordinate grid.
b.	Give the coordinates in the first quadrant of a coordinate grid. <br class="" /><br class="" /><img src="http://emed.nucenter.org:8171/2010-12-10/3.2ab1+Locate_Give+first+quadrant+coordinates-posterimage.png" height="360" width="480.0" role="button" alt="http://emed.nucenter.org:8171/2010-12-10/3.2ab1+Locate_Give+first+quadrant+coordinates.m4v" class="aligncenter posterimg" tabindex="0" />

3.1c Circles - radius, diameter

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