if the diameter is 5, then its radius is half that, or 2.5.
![\bf \textit{circumference of a circle}\\\\ C=2\pi r~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=2.5 \end{cases}\implies C=2\pi (2.5)\implies C=5\pi \implies C\approx 15.71](https://tex.z-dn.net/?f=%5Cbf%20%5Ctextit%7Bcircumference%20of%20a%20circle%7D%5C%5C%5C%5C%20C%3D2%5Cpi%20r~~%20%5Cbegin%7Bcases%7D%20r%3Dradius%5C%5C%5B-0.5em%5D%20%5Chrulefill%5C%5C%20r%3D2.5%20%5Cend%7Bcases%7D%5Cimplies%20C%3D2%5Cpi%20%282.5%29%5Cimplies%20C%3D5%5Cpi%20%5Cimplies%20C%5Capprox%2015.71)
I assume you refer to the 'Perv Nert' equation:

Solving for n,
Is -5 one of your options?
Answer:
Step-by-step explanation:
line 1 is H
line 2 is C
line 3 is D
line 4 is G
:)
Answer:
Option (4)
Step-by-step explanation:
m(∠PZR) = 
Radius of the circle = 8
Since, length of an arc = 
Here, θ = Central angle in radians
From the given formula,
m(arc PR) = 
= 
= 
Therefore, Option (4) will be the correct option.