Respuesta :

I believe the answer would be length = 2.5, because when you multiply 2.5 • 2, its 5. And there are 4 sides on a rectangle, so the equation is 2.5•2 twice, which equals 10cm². Which proves the answer. Hope I helped. (⊃≥ω≤)⊃
RELAXING NOICE
Relax