Question

Find the length of a square whose area is 100cm² Please help.. With explanation...

Answer 1

AREA OF A SQUARE = SIDE X SIDE

                                    = SIDE^2

SO,

√100 = 10

=> THE LENGTH OF THE SQUARE IS 10 CM

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Answer 2

We know that Area of Square = a²

Here, a is the side of square.

Given perimeter is 100 cm²

= 100 = a²

= √100 = a

= a = 10cm  

We know, Perimeter of the sqaure = 4a

So, 4 (10)

= 40 cm

So, the perimeter of square is 40 cm.