PI and its Importance in Design:

• Pi is the ratio of the circumference of a circle to its diameter.
• Pi is often written using the Greek letter of π. π=Circumference/Diameter.
• Pi is approximately is equal to 3.14 but pi is an irrational number.
• π=22/7=3.14...
• π=3.1415926535897932384626433832795028841972…

                          

Importance of π in Design:

• π is used for many different professions and assists in different aspects of design work.
• Circles of different sizes in design are formed by formulae using π.