Respuestas

  • Usuario de Brainly
2012-04-27T07:32:04+02:00

p = 102 cm

 

p = 2b + 2h

 

b = X + 3

h = X

 

p = 2(X+3) + 2(X)

102 = 2X + 6 + 2X

102 = 4X + 6

102-6 = 4X

96 = 4X

 

X = 96/4

 

X = 24


Entonces : b = 27 y h = 24


A = b x h

A = 27 (24)

A = 648