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A rectangle has is 70 cm long and w cm wide. The perimeter of the rectangle is 182 cm. What is the width, w? w = _____cm

Respuesta :

adioabiola

The width of the rectangle given the perimeter is 21 cm

How to find width of a rectangle

Given:

  • Perimeter of the rectangle = 182 cm
  • Length of the rectangle = 70 cm
  • Width of the rectangle = w cm

Perimeter of a rectangle = 2(length + width)

182 = 2(70 + w)

182 = 140 + 2w

  • subtract 140 from both sides

182 - 140 = 2w

42 = 2w

  • divide both sides by 2

w = 42/2

w = 21 cm

Learn more about perimeter of a rectangle:

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