Question

what is the perimeter of a square if it's area is 36 sq. cm ?​

Answer 1

Answer:

P=4a

Step-by-step explanation:

Plese mark me as brilliant

Answer 2

Answer:

Perimeter of square is $24 \ cm$ .

Step-by-step explanation:

To find : perimeter of square

Given : area of square is $36\ cm ^{2}$ .

Solution :

• We know that all four sides of square are equal .
• If ' $a$ ' is the side of square then area of square is given by,

        Area of square $= a^{2}$

• Therefore, by substituting the value in above formula we find side of square .  

         $36 = a^{2} \\\\\sqrt{a^{2} }= \sqrt{36} \\\\a = 6\ cm$

• Now , since we know side of square , we can find perimeter of square.  

       Perimeter of square $= 4a$

                                         $= 4\times 6\\=24\ cm$