Respuesta :

Assuming width = y
Length = 2y

[tex]2y \times y = 72 \\ 2 {y}^{2} = 72 \\ {y}^{2} = 36 \\ y = 6[/tex]
Width = 6cm, Length = 12cm

The answer is 12cm.

Hope this helps.

Otras preguntas