sydneysans06
sydneysans06 sydneysans06
  • 12-09-2022
  • Mathematics
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the rectangle shown has an area of 84 square inches. find the dimensions of the rectangle

the rectangle shown has an area of 84 square inches find the dimensions of the rectangle class=

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anikakinnear
anikakinnear anikakinnear
  • 12-09-2022

Answer:

x(x+8)=84

x² + 8x = 84

x² + 8x - 84 = 0

(x+14) (x-6) = 0

x= -14 or 6

Perimeter = 40 in.

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