# publicKhan/khan-exercises

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randFromArray([                ["in", "inch"],                ["ft", "foot"],                ["m", "meter"],                ["cm", "centimeter"],                ["", "unit"]            ])            randRange(1, 8)            randRange(1, 8)            randRangeNonZero(-2, 2)            B * H

Suppose a parallelogram has base length B \text{ UNIT} and height H \text{ UNIT}.

What is the parallelogram's area?

K                    square plural(UNIT_TEXT)

graph.p = parallelogram(B, H, UNIT, SH);                        graph.p.drawBase();                        graph.p.drawHeight();

By moving a slice of the parallelogram, we can see that its area is equal to that of a rectangle with the same base and height.

graph.p.sliceHint();                            graph.p.animHint();

area of rectangle = b \times h

graph.p.drawArea();

A = B \times H = K

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