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.
A square is a flat shape, in one plane, defined by four points at the four corners. A square has four sides all of equal length, and four corners, all right angles (90 degree angles). A square is a kind of rectangle. To figure out the area of a square, you multiply the length by the width. Because the length and the width are always the same, you could also say that you square the length of any one side of the square (that's why they call it the square).