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A= 33m^2
b= x+8
h= x
x(x+8)= 33
x^2 + 8x = 33
x^2 + 8x -33 = 0
(x+11) (x-3)
x= -11 x=3
x= 3
Remplazamos x
h= 3 m
b= 3+8 = 11 m
R= La base mide 11 m y la altura mide 3 m