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

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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