Question

One square has an area of ​​81cm². Calculate its perimeter.​

Answer 1

`\huge{ \mathfrak{ \underline{question : }}}`

One square has an area of 81cm². Calculate its perimeter.

`\huge{ \mathfrak{ \underline{ Answer \: \: ✓ }}}`

For a Square,

`\longrightarrow \: area = side {}^(2)`

• 
  `side {}^(2) = 81`

• 
  `side = √(81)`

• 
  `side = 9`

So, The measure of each side of the square is 9 cm

`\#TeeNForeveR`

Answer 2

Perimeter = 36cm

Explanation:

The area of a square = l 2where l is the length of the square's side.

l 2 = 81 ⇒ l = √ 81 =9

hence Perimeter = 4 × 9 = 36 c m