altura = x
base = 3x
perímetro = 72 cm
perímetro x + 3x +x+3x = 72 cm
8x=72 cm
x= 72/8 =9 cm
altura= 9 cm
base = 3 x 9 = 81 cm
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altura = x
base = 3x
perímetro = 72 cm
perímetro x + 3x +x+3x = 72 cm
8x=72 cm
x= 72/8 =9 cm
altura= 9 cm
base = 3 x 9 = 81 cm