Respuesta :

seetha1980

Answer:

9 or 16

Step-by-step explanation:

G is the midpoint

So, FG = GH

x^2 = x+12

x^2-x-12 = 0

x^2-4x+3x-12 = 0

x(x-4) +3(x-4) = 0

(x+3)(x-4) = 0

x=-3 or x=4

So, FG can be (-3)^2 or 4^2

=> 9 or 16
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