WHAT YOU NEED: A ruler, pens, scissors and paper. Image caption, STEP 1 - TRAPEZIUM x 2: On a rectangular piece of paper, use a ruler to draw two angled lines from the bottom corners to make a ...
To find the area under a curve, we have to split the space into very thin strips and look at them individually. Each strip is approximately the same shape as a trapezium, and we use the trapezium ...
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