A polygon with four sides and four corners is defined as a quadrilateral. It is a two dimensional plane figure with straight sides. Some of the quadrilaterals include square, rectangle
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1. Measure out how much space there is available for the canopy using the measuring tape. Buy a piece of waterproofed canvas to these dimensions. 2. Make a 1inch hem all the way
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A quadrilateral is a closed plane (2dimensional) shape bounded by four straight lines that meet at four vertices.
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