Question

What are they asking in this question? Like what do they want me to understand?

Answer 1

Given:

Convert radian to degree

`=(180)/(\pi)`

Find-:

What is always happen with pis

Explanation-:

If the angle is radian

Let angle is:

`=x\pi`

So,

Angle in degree is:

`\begin{gathered} =x\pi*(180)/(\pi) \\ \\ =180x \end{gathered}`

So, they will cancel out.