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Area of a circle: pi*radius^2

Circumference of a circle: 2*pi*radius or diameter*pi

Surface area of a sphere: 4*pi*radius^2

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Q: 3 mathematical formulas including pi
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5 mathematical formulas tha contain pi?

Area of a circle: pi*radius2 Circumference of a circle: 2*pi*radius or diamerer*pi Surface area of a sphere: 4*pi*radius2 Volume of a sphere: 4/3*pi*radius3 Volume of a cylinder: pi*radius2*height


What is the mathematical formula for calculating spherical volume?

V=(4/3)*pi*r^3


Formulas with include pi?

Area of a circle: pi*radius^2 Circumference of a circle: 2*pi*radius or diameter*pi Volume of a sphere: 4/3*pi*radius^3 Surface area of a sphere: 4*pi*radius^2


What is 74th digit of pi?

Including the initial digit 3, the 74th digit of pi is 2.


What is the 13628th digit of pi?

Including the initial digit 3, the 13628th digit of pi is 7.


What mathematical property does e have that pi does not?

Many properties. For example, 1 + 1/1! + 1/2! + 1/3! + 1/4! + ... = e. This is not true for pi.


What are some formulas that include pi?

Area of a circle = pi*r2 Circumference of a circle = 2*pi*r or pi*d Volume of a sphere = 4/3*pi*r3 Surface area of a sphere = 4*pi*r2 Volume of a cone = 1/3*pi*r2*height Volume of a cylinder = pi*r2*height


A sphere has a surface area of 18 square centimeters. What is the volume of a sphere?

9 √(2/pi) We start with the formulas for surface area (4 pi r^2) and volume (4/3 pi r^3). If 4 pi r^2 = 18, then r = 3/√(2 pi); plug that into the formula for volume and we get 9 √(2/pi) as the answer.


what are the first 25 digits of pi not including the 3. at the start?

I know what it is


What is the 55th digit of pi?

it is 0 incuding the 3 at the beginning it is 9 not including the 3 3.1415926535897932384626433832795028841971693993751058209


What is the first 21 digits of pi?

Including 3 as a digit, it is 3.14159265358979323846.


33rd digit of pi?

0 including the first 3