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makkiz [27]
3 years ago
13

The area of a square is 49 cm^2. What is the perimeter, in cm, of the square?

Mathematics
2 answers:
rewona [7]3 years ago
6 0

Answer:

P = 28 cm

Step-by-step explanation:

The area of a square is

A = s^2 where s is the side length

49 = s^2

Taking the square root of each side

sqrt(49) = sqrt(s^2)

7 =s

Now find the perimeter of the square

P = 4s

P = 4(7)

P = 28 cm

lana66690 [7]3 years ago
6 0

Answer:

The perimeter of square is 28 cm.

Step-by-step explanation:

  • To find perimeter of square firstly we need to find the side of square.

using Formula

Area of square = ( side )²

  • 49 cm² = ( side)²

taking square root of both side

  • √49cm² = √side²
  • 7 cm = side

Now,

<u>Perimeter of square is</u>

Perimeter of square = 4 × side

  • Perimeter = 4 × 7 cm

multiply,

  • Perimeter = 28 cm

Hence , the perimeter of square is 28 cm.

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