How We Can Assist Children's Learning in and through Art. It is quite appropriate to assist children's learning in and through art and to ensure that children are equipped with the skills and techniques to enable them to express their own ideas better than they might do on their own.
The symbol used by mathematicians to represent the ratio of a circle's circumference to its diameter is the lowercase Greek letter Ï, sometimes spelled out as pi, and derived from the first letter of the Greek word perimetros, meaning circumference. In English, Ï is pronounced as pie ( /paÉª/, paÉª).
The number Ï (/paÉª/) is a mathematical constant. Originally defined as the ratio of a circle's circumference to its diameter, it now has various equivalent definitions and appears in many formulas in all areas of mathematics and physics. It is approximately equal to 3.14159. It has been represented by the Greek letter Ï since the mid-18th century, though it is also sometimes spelled out as pi. Being an irrational number, Ï cannot be expressed exactly as a common fraction ...