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Q: What is pi divided by 4?

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25.7831 (to 4 dp)

A = C^2/(4 pi) The area of the circle is... The circumference squared... divided by 4... divided by pi If you already know the area, then you can multiply it by 4*pi, and then the square root of the product is equal to the circumference! C = (A*(4 pi))^(1/2)

As tan(x)=sin(x)/cos(x) and sin(pi/4) = cos(pi/4) (= sqrt(2)/2) then tan(pi/4) = 1

pi is not divided into anything - unless you specify pi/2 or pi/3.6

9.5

4

Volume is 4/3 x "pi" x r3 or 4(pi)r3 divided by 3. Volume=7234.56 when pi is 3.14

2

It would be 4pi, or approximately 12.56637061435917.

0.75

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