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The width of a rectangular frame is 6 in. shorter than its length. The area of the frame is 216 in?
What is the frame's length?

Respuesta :

Razak1

Answer:

18 in

Step-by-step explanation:

len = y

width= y - 6

the area of rectangle is len x width

(Y) x (Y-6) = 216

Y^2 - 6Y = 216, Y^2 - 6y -216 = 0

y = (36 /2) or (-24 /2)

len couldn't be negative so 18

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