In order to find the area for a strange shape, you divide it up into simpler figures. In this case, you already know that it can be divided into 4 triangles, so find the area of each triangle and add them up. Hope this helped!
<span> Side-by-side boxplots.
A side by side box lot will provide more useful information than the other graphical displays because it will show the Mean, Range, IQR, Q1 & Q4
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