0
Easy. And it need not even involve esoteric mathematical formulas.
Find a circle. Measure the diameter. Write that down, and let us assume for example that it's ten meters.
Now measure the circumference. I know, the meter stick is straight, but that's okay. Get a string and put it all around the circle. Make a mark on the string at the point where it comes all the way back around.
Now straighten the string and measure that. You'll note that it is 31.4 meters! And if you measured even more accurately, you'll note that it's 31.41 meters! Which when you divide by the ten meters, equals 3.14!
But what if it's not ten meters in diameter, where's the proof then?
Well, lets say you find a circle five meters in diameter. Measure the circumference and you'll find it's 15.7 meters. Now take 15.7 and divide it by 5. It will equal 3.14!
No matter what circle's circumference you measure, if you divide that by the diameter, it will equal 3.14. If your measurements are more accurate, it will always equal 3.141. More accurate? 3.1415. And so on.
No there is no exact proof because all we know is that the value of pi is a circle's circumference divided by its diameter which is an irrational number that has never been finally determined.
The existence of pi needs no proof, it exists by definition and has a well defined known value by that definition. However as pi is an irrational number that value cannot be written completely in any standard number base system .
Add your answer:
Earn +20 pts
What are the factors and prime factors of 314?
The positive integer factors of 314 are: 1, 2, 157, 314 The prime factors of 314 are: 2, 157
What is 314 divisible by?
2, 157.
What was the Floatplane used in Raiders of the Lost Ark?
Boeing 314
What is 78 divided by 314?
0.2484
How do you proof the formula sin2A equals 2sinAcosA?
First, note that sin(a+b)=sin(a)cos(b)+sin(b)cos(a)[For a proof, see: www.mathsroom.co.uk/downloads/Compound_Angle_Proof.pptFor the case of b=a, we have:sin (a+a)=sin(a)cos(a)+sin(a)cos(a)sin (2a)=2*sin(a)cos(a)
What is the Surface Area of a cylinder with diameter of 12 cm and a height of 20 cm?
(12 x "pi" x 20) + 2(36 x "pi") which equals 314 x "pi" which equals about 985.96 when pi is 3.14
If the diameterof a circle is 10cm what is the circumference?
10 pi or 314.someting something 10 pi or 314.someting something 10 pi or 314.someting something
What is the diameter of a circle if the circumference 314 feet?
Diameter = 314/pi feet
What times what equals 314?
1 x 314 and 2 x 157
What is the answer to this problem 314 plus 1321 equals?
314+1321= 1635
What number times itself equals 314?
It will be the square root of 314, which is about 17.7100451467
Who made pi day on 314?
Larry Shaw made pi day on 3, 14, 1989.
Circumference of a circle with a diameter of 100 feet?
The circumference of a circle can be calculated using the formula C = Οd, where C is the circumference, Ο is a constant approximately equal to 3.14159, and d is the diameter of the circle. In this case, the diameter is 100 feet, so the circumference would be C = Ο(100) = 314.159 feet.
How do you find the square feet of a circle with a radius of 10 feet?
314 feet²Area of a circle = pi x radius²let pi = 3.14A = 3.14 x 10²A = 3.14 x 100A = 314 feet²
What is the area of a circle with the circumference of 62.8 inches?
Circumference = 2 pi r = 62.8 so r = 31.4/pi = 10 Area = pi r2 = 100 pi = 314 in2
What is the equation that equals pi?
I think it is 3.14 that equals to pi when u solve it
What is diameter of a 130mm circumferance?
Circumference equals Diameter times Pi, OR Diameter equals (Circumference)/(Pi). In this case, Diameter equals (130mm)/(Pi or 3.14159) equals 41.38mm
