<?xml version="1.0" encoding="UTF-8" standalone="yes"?><oembed><version><![CDATA[1.0]]></version><provider_name><![CDATA[justpuzzles]]></provider_name><provider_url><![CDATA[https://justpuzzles.wordpress.com]]></provider_url><author_name><![CDATA[Teun Spaans]]></author_name><author_url><![CDATA[https://justpuzzles.wordpress.com/author/teunspaans/]]></author_url><title><![CDATA[Surfaces]]></title><type><![CDATA[link]]></type><html><![CDATA[<p><strong>Surface</strong>s<sup>**</sup><br />
In the picture below you find 6 matchsticks. If we assume a matchstick is 1 inch long, the enclosed surfce has a size of 2.</p>
<p><a href="https://justpuzzles.wordpress.com/2016/06/10/triangle-surfaces/triangle-surfaces-2016-01-26-exercise-as-square/" rel="attachment wp-att-4176"><img loading="lazy" data-attachment-id="4176" data-permalink="https://justpuzzles.wordpress.com/2016/06/10/triangle-surfaces/triangle-surfaces-2016-01-26-exercise-as-square/" data-orig-file="https://justpuzzles.files.wordpress.com/2016/06/triangle-surfaces-2016-01-26-exercise-as-square.png" data-orig-size="230,128" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}" data-image-title="triangle surfaces 2016-01-26 exercise as square" data-image-description="" data-image-caption="" data-medium-file="https://justpuzzles.files.wordpress.com/2016/06/triangle-surfaces-2016-01-26-exercise-as-square.png?w=230" data-large-file="https://justpuzzles.files.wordpress.com/2016/06/triangle-surfaces-2016-01-26-exercise-as-square.png?w=230" src="https://justpuzzles.files.wordpress.com/2016/06/triangle-surfaces-2016-01-26-exercise-as-square.png?w=230&#038;h=128" alt="triangle surfaces 2016-01-26 exercise as square" width="230" height="128" class="alignleft size-full wp-image-4176" srcset="https://justpuzzles.files.wordpress.com/2016/06/triangle-surfaces-2016-01-26-exercise-as-square.png 230w, https://justpuzzles.files.wordpress.com/2016/06/triangle-surfaces-2016-01-26-exercise-as-square.png?w=150&amp;h=83 150w" sizes="(max-width: 230px) 100vw, 230px" /></a><br />
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<p>Now rearrange the 6 matches into two figures of 6 matchsticks each, in such a way that the surface of one figure is exactly 1.5 time the surface of the other figure.</p>
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