Answer:
40 cm²
Step-by-step explanation:
A = 2(lw + lh + wh)
= 2(4×2 + 4×2 + 2×2)
= 2(8 + 8 + 4)
= 2×20
= 40 cm²
40cm^6
surface area of this box
=2(lw+lh+wb)
=2(2×4+4×2+2×2)cm^6
=2(8+8+4)cm^6
=2×20cm^6
=40cm^6
