https://peda.net/id/939b0a3697d 2019-06-27T03:19:02+03:00 https://peda.net/:static/539/peda.net.logo.bg.svg <div class="license">Tämän sivun lisenssi <a rel="license" href="https://peda.net/info">Peda.net-yleislisenssi</a></div> https://peda.net/id/30e37c0697d 2019-06-27T03:18:46+03:00 We want to tile the walls around us. We need to calculate how much tiles we need to do that. First we have to measure the area of the walls. <br/> <br/> Do you remember how we can calculate area of a rectangle?<br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <a href="https://peda.net/p/ville.eronen/ptc/challenge/rectangle-png#top" title="rectangle.png"><img src="https://peda.net/p/ville.eronen/ptc/challenge/rectangle-png:file/photo/c5cd1629fbf8f5f014bc4c54215af59671e1c8b2/rectangle.png" alt="" title="rectangle.png" class="inline" loading="lazy"/></a><br/> <br/> <br/> For example:<br/> <br/> <a href="https://peda.net/p/ville.eronen/ptc/challenge/area-png2#top" title="area.png"><img src="https://peda.net/p/ville.eronen/ptc/challenge/area-png2:file/photo/696074af62b03082e036b036fa46840a018c4104/area.png" alt="" title="area.png" class="inline" loading="lazy"/></a><br/> <br/> A = 16.2 m x 9.4 m =<span class="mw-headline"> 152.3 </span>m²<br/> <br/> <br/> <br/> Lets measure the areas!<span class="mw-headline"><br/> <br/> <br/> <br/> </span> 2019-06-26T09:32:38+03:00