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<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'NokiaPureTextLight';">Mini roundabouts are normally too small to be anything but round. </span></p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-family:'NokiaPureTextLight';"><br></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'NokiaPureTextLight';">I realise that we would use decimal s rather than fractions. But in most cases a guestimate of diameter in metres will do. Most will be either 1, 2 or 3 metres, using radius there will be a lot that are radius of 0.5m.</span></p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-family:'NokiaPureTextLight';"><br></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'NokiaPureTextLight';">And I refuse to try measuring the ones on the A53 with a tape measure</span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'NokiaPureTextLight';">;)</span></p>
<p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-family:'NokiaPureTextLight';"><br></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'NokiaPureTextLight';">Phil<br><br>--<br></span></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><span style=" font-family:'NokiaPureTextLight';">Sent from my Nokia N9<br></span></p></div><br><div id="fenix-reply-header"><p>On 06/06/2012 13:36 Andrew Errington wrote:<br></p></div><div id="fenix-quoted-body"><div>
On Wed, 06 Jun 2012 21:21:56 Philip Barnes wrote:<br>
> Diameter is more universally understood by the layman than radius.<br>
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You and I both seem to understand it. Let's not underestimate the ability of <br>
someone we haven't met.<br>
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> Radius <br>
> is normally only used by engineers, scientists and mathematicians.<br>
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...which is why it's a better choice.<br>
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> Plus it <br>
> keeps us from having to map fractions.<br>
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A diameter could have a fractional part, although we would use a decimal <br>
point.<br>
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Best wishes,<br>
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Andrew<br>
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