Respuesta :

msm555

Step-by-step explanation:

  • 1a.2.
  • b.1/2 base×height
  • c.2 ×1/2 base×height
  • base×height

b.

  • 1m=100cm
  • 1m²=100cm×100cm
  • 1m²=10000cm²
  • 0.25m²=0.25×10000cm²
  • 0.25m²=2500cm²

C.

  • .3
  • .area of rectangle button+area of back+area of top
  • d.total surface area =base×height+area of rectangle button+area of back+area of top