Step-by-step explanation:
x = 40 degree
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The simplest (and most commonly used) area calculations are for squares and rectangles. To find the area of a rectangle, multiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the area.
then you figure out what you divide 56 by to get 4. which is 14. then you divide 42 by the same number 14.
