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a formula that uses pi is the circumference and area of a circle and every polyhedron that has a circle

Q: What formulas use Pi in the equation?

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"Pi" is not an equation - it is a constant. Pi is irrational, that is, it cannot be expressed as a ratio of constants, but it can be truncated for common use (approximately 3.1415). Pi is given by the circumference of a circle divided by the circle's diameter: Pi = C / d

You can use it to build buildings, pools, and and if your boss gives you a mathematical equation, you can answer it.

circumference of a circle = diameter*pi or 2*pi*radius

Use the formula volume = (4/3) pi r3.

Related questions

Formulas relating to circles

u0/4

"Pi" is not an equation - it is a constant. Pi is irrational, that is, it cannot be expressed as a ratio of constants, but it can be truncated for common use (approximately 3.1415). Pi is given by the circumference of a circle divided by the circle's diameter: Pi = C / d

there is no equation of Pi Circumference divided by diameter

You can use it to build buildings, pools, and and if your boss gives you a mathematical equation, you can answer it.

circumference of a circle = diameter*pi or 2*pi*radius

Use the formula volume = (4/3) pi r3.

the circumference formula uses pi and the formula is pi (3.14) times what ever the diameter is and that's one formula i know and I'm in fifth grade

If: circumference = pi*diameter Then: pi = circumference/diameter

Pi = circumference/diameter

22/7=pi (roughly) 7 times pi is 21.99115 pi is 3.1415926535898 etc

If you know a circle's area, you can easily determine its radius using equation (1). Once you determine r, then plug it into equation (2). Pi = 3.14. (1) A = [Pi]r2 (2) C = 2[Pi]r Hint: Equation (1) can be rewritten r = SQRT(A/Pi)