Question

perimeter of circle of having diameter d​

Answer 1

Answer:ꉔ=2π

Answer 2

Step-by-step explanation:

We know that,

Perimeter of a circle = 2πr

Given, diameter= d

Therefore, radius

$= \frac{d}{2}$

Then, perimeter of the circle

$= 2\pi \frac{d}{2}$

i.e.,

$= \pi\: d$