Try this (you'll have to use your imagination for the vertical lines) _________________________________ _________________________________ _________________________________ _________________________________ _________________________________ _________________________________
It is the RADICAL SIGN , its definition is - the symbol used to indicate a nonnegitive square root.
This
A square of any size would be similar.
With a small square in its corner
The symbol depicting a smaller square inside a larger one indicate on an appliance indicates that it is double insulated. Some appliances may contain other symbols to indicate this.
In square each arm's length is equal. If we indicate each arm's length by 'a'. Then area of square =(a)2
They are similar because they both have 4 sides.
yes
Shapes are said to be similar if they are proportioned to each other and have the same interior angles as for example a 4 inch square is similar to a 2 inch square
The symbol used to indicate a nonnegative square root.
Hazard
The square drawn in a right angle simply is to indicate that the angle is, indeed, 90 degrees.