# Uncategorized

## Square

Square and basic formulas for calculating circle. Practically, simply,concisely and graphically. Notions Square is areal planar shape. Diagonal is a line which connects opposite corners of square. Terminology a… side of square u… diagonal of square O… perimeter of square P… area of square Formulas for calculating Basic formulas Perimeter: O = 4 × a… read more »

## Circle

Circle and basic formulas for calculating circle. Practically, simply,concisely and graphically. Notions Circle is areal planar shape.Also can be a line that encloses area of circle Terminology π = 3,14 (approximately), Ludolf’s number [[Pi]], mathematical constantCenter of the circle Radius(r)… half of a diameter.Line from center to edge of the circle. Diameter(d)… line from edge… read more »