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.
In geometry, a square is a regular quadrilateral, which means that it has four equal sides and four equal angles (90-degree angles, or right angles). It can also be defined as a rectangle in which two adjacent sides have equal length. A square with vertices ABCD would be denoted â» {\displaystyle \square } ABCD.