contestada

9.4.27
The length of a rectangle is 9 centimeters less than its width. What are the dimensions of the rectangle if its area is 90 square centimeters

Respuesta :

uchenna15

Answer:

  • w=15. l=6

Step-by-step explanation:

l=w-9

w=w

area=90

area=l×w

90 =w(w-9)

90=w²-9w

turn it to a quadriatic equation

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