maya200663
maya200663 maya200663
  • 30-04-2021
  • Mathematics
contestada

the perimeter of a rectangle is 32cm, its length is more than its width by 2 what's the area​

Respuesta :

vanillanekox3
vanillanekox3 vanillanekox3
  • 30-04-2021

Answer:

63 cm^2

Step-by-step explanation:

p = l + w + l + w

32 = 2l + 2w

32 = 2(w + 2) + 2w

32 = 2w + 4 + 2w

32 = 4w + 4

28 = 4w

7 = w

l = w + 2

l = 7 + 2

l = 9

Check your work:

32 = 9 + 7 + 9 + 7

32 = 32

Correct

A = l × w

A = 9 × 7

A = 63

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