147۰994907 ÷ 2 =73۰99745385. 148۰0140971 ÷ 2 =74۰00704854. The radius of the circle is 74 cm to the nearest cm. Practise pi and working out the circumference of circles with this quiz.

For instance, π is defined as the ratio of the circumference of a circle to its diameter ... were never to find a way to look ...

Pi, a mathematical constant denoted by the Greek letter π, is the ratio of a circle's circumference C to its diameter d: π = ...

Pi is the number you get when you divide a circle's circumference by its diameter ... What will the future of computing look like? Getty Images The symbol for pi is also the 16th letter in ...