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Why is the PI 4 Proof wrong?

Posted on January 22, 2021 by Author

Table of Contents

  • 1 Why is the PI 4 Proof wrong?
  • 2 What would happen if Pi was a different number?
  • 3 Is Pi more than 4?
  • 4 Does pi really equal 4?
  • 5 What is pi by 4 of a circle?
  • 6 Can you use 3 for pi?
  • 7 Are there any funny jokes about Pi?
  • 8 What if Pi wasn’t 3?
  • 9 How can you tell if pi is 4?

Why is the PI 4 Proof wrong?

PI is not 4, because the approximate figure is never really the same as the circle, even in the limit of infinite number of approximations.

What would happen if Pi was a different number?

Aside from leading almost immediately to a whole mess of mathematical contradictions and paradoxes, if π were different it would change the results of a tremendous number of (one could argue: all) calculations, and the fundamental forces and constants of the universe would increase or decrease by varying amounts.

Is Pi more than 4?

It’s defined to be the ratio between the circumference of a circle and the diameter of that circle. And you can see that π is less than 4 if you look at the square that circumscribes a circle.

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What is value of Cos pi by 4?

The actual value of cos pi/4 is √2/2 in radical form and 0.7071 in decimal form.

What angle is pi over 4?

Table of angles

Degrees Radians Gradians
36° Pi / 5 40.00
45° Pi / 4 50.00
57.296° 1 63.66
60° Pi / 3 66.67

Does pi really equal 4?

The length of the perimeter of the square is 4 since each side has length equal to the diameter of the circle. Since the jagged curve gets closer and closer to the circle and always has length 4 we can see that the perimeter of the circle has length 4. But the perimeter length is also equal to π. Therefore, π is 4.

What is pi by 4 of a circle?

Since the circumference of a circle is pi times diameter, just multiply 2.5 by whatever you believe pi to be. If you believe pi to be 4, then multiply 2.5 times 4. So that gives you 10 inches.

Can you use 3 for pi?

The simplest approximation for Pi is just 3. Yes, we all know that’s incorrect, but it can at least get you started if you want to do something with circles. In the past, many math books listed Pi as 22/7.

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What if pi were 3?

Hamlin said if Pi really were 3.2 or 3, it would mean Pi was a rational number. Rational numbers include fractions, counting numbers, negative numbers, numbers with decimals that end (ex: 3.0374), and numbers with decimals that repeat (ex: 0.33333).

Can pi be approximated 3?

Approximate value and digits Some approximations of pi include: Integers: 3. Fractions: Approximate fractions include (in order of increasing accuracy) 227, 333106, 355113, 5216316604, 10399333102, 10434833215, and 24585092278256779.

Are there any funny jokes about Pi?

Sure, there are really interesting pi facts out there, but these jokes prove that math can be funny, too. If you’re looking for ways to celebrate Pi Day, one way to enjoy it is to indulge in these 30+ hilarious math jokes. Why should you never talk to pi?

What if Pi wasn’t 3?

If Pi wasn’t 3.1415 and so on, circles wouldn’t exist as we know them today. I also found out there was a mathematician in Indiana who was convinced Pi was actually 3.2. He even tried to make it a law so all the students in the state would have to use that number in their math classes. Of course, it didn’t pass.

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How can you tell if pi is 4?

If pi is 4, then the ends of the paper or string will meet. If it isn’t, then it won’t. This is an elementary school type experiment that pretty much anyone could do. Using Dan’s simple experiment seems to have hit the nail on the head.

Is Pi an irrational number?

Pi is an irrational number. Unlike the rational numbers that have sections of repeating digits after the decimal, Pi’s digits look a little different. To give you an idea, here are just the first hundred digits of Pi: 3.14159265358979323846264 1170679. You can find Pi in nature, too.

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