Print. While many people identify Swiss chard as a kind of spinach, it is in fact known and officially catalogued as spinach beet and silver beet, and is not the same family as spinach at all. Silver beet (or chard) is related to the beetroot family.t has a delicate taste and may be eaten raw or blanched, either in salad or as a vegetable. Unlike Swiss chard, true spinach has a relatively short picking season, and is therefore less productive. But it is just as easy to grow in the right conditions.
Definition of Perfect Square. Perfect square is a number that has a rational number as its square root. 1  49 is a perfect square as 49 = 72.  The following are few more examples of perfect squares.
Square. The term square can be used to mean either a square number ( is the square of ) or a geometric figure consisting of a convex quadrilateral with sides of equal length that are positioned at right angles to each other as illustrated above. In other words, a square is a regular polygon with four sides.