Question

why pi is called is 22/7​

Answer 1

Answer:

Because the value of pi and 22/7 is almost same.

$\pi = 22 \div 7$

Answer 2

π is actually the value of the circumference divided by the diameter. I will give you the proof that π = 22/7 in my own way but before that I want you to know one thing. The actual value of π is not 22/7. It is just an approximation to get to the closest value.

Follow these steps:-

Step 1 : Take a round plate.

Step 2 : Measure its circumference. ( I got 82 cm )

Step 3 : Measure its diameter. ( I got 26 cm )

Step 4 : Divide the circumference by the diameter. ( I got 3.15384 )

I may have not taken the accurate dimensions of the plate so it is a bit different from the value of π.

Hence, I actualy can't prove π = 22/7 since, it is just an approximation but the experiment I have done will give you the actual value of π if you take the accurate dimensions of the plate.

Hope it Helps!