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
Maritime flags indicate this with two square red flags with a black square in the middle of each
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
Hazard
The symbol used to indicate a nonnegative square root.
The square drawn in a right angle simply is to indicate that the angle is, indeed, 90 degrees.
They are similar because they both have 4 sides.
yes