It is still equal to pi (3.1416) because when you multiply anything by 1 no matter how many times you multiply it, you end up with that other number.
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The area of a circle is pi times (radius squared) Thus if radius is one inch then area is (pi) times (1) times (1) = pi = 3.1416 inches squared
C= 2 times pi and C= pi times diameter C= 2 times pi and C= pi times diameter
Area=pi times radius squared Circumference=pi times diameter or pi times radius times two
pi^2
Pi 46 is solved by taking pi and multiplying by 46. So pi times 46 = 144.513262.