Discussion in 'Mathematics' started by LindaJ, Nov 10, 2017.
How do u draw a concave pentagon with exactly one pair of perpendicular sides
Brain dump…. Have you ever heard the expression cave in? When u see something (cave in) it looks like crater right? So just like that you know to draw to crater like objects perpendicular from each other perpendicular means at an angle of 90° to a given line, plane, or surface.
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