If the diameter is 6inches then there would be 28.27431sq inches
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Only 5*pi is irrational.
well the diameter will be 90 and the radius is obviously 180, so you will need to take pie radius squared to find the area, simply press the pie button on your calculator then 180 and then the square button :)
Pie is a symbol that represents a number (3.14159...). Pie algebra is when the number Pie is used in algebra like the ccircumference of a circle. A circumference of a circle is worked out by Pie algebra: DxPie (diameter x Pie). Its a bit complicated to explain but...
40 (one man can eat one pie in a minute and a half)
A circle is not three-dimensional. It is a two-dimensional shape than can have an area, but not a volume. A column or cannister would have calculable volumes because they are three-dimensional shapes.To find the area of any circle, just remember 'Pie are square'. Of course, everybody knows that cakes are square and pies are round, but this is a different sort of pie. It is actually spelled pi. And the 'are' is actually an 'r' to signify 'radius'. In math, when we 'square' something, we are multiplying it by itself.