Question

the perimeter and area of circle are ______ and ______​

Answer 1

$Answer \:$

The perimeter of circle = 2πr

Here, r stands of radius.

The area of circle = πr²

Answer 2

Let the unknown number be x.

According to the condition :

\begin{gathered}x \: \times 165 = 165 \\➠ x = \frac{165}{165} \\ ➠ x = 1\end{gathered}

x×165=165

➠x=

165

165

➠x=1

Therefore, The answer is 1.

1 × 165 = 165