taqijaffer
taqijaffer taqijaffer
  • 03-03-2020
  • Mathematics
contestada

The width of a rectangle is 2m less than the length. The area is 48m squared. Find the dimensions.

Respuesta :

bhuvna789456
bhuvna789456 bhuvna789456
  • 03-03-2020

Length of the rectangle is 8m and width is 6m

Step-by-step explanation:

  • Step 1: Given area of the rectangle = 48m². Let the length be x, then the width is x - 2. Find the dimensions using the area of the rectangle = length × breadth

48 = x (x - 2)

48 = x² - 2x

x² - 2x - 48 = 0

x² - 8x + 6x - 48 = 0

x(x - 8) + 6(x - 8) = 0

(x + 6)(x - 8) = 0

x = -6, 8 (neglecting the negative value)

∴ Length of the rectangle = 8m

∴ Width of the rectangle = 8 - 2 = 6m

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