Question

Two cubes with 12 cm edge joined end to end. Find the TSA of resulting Cuboid.

Answer 1

in the cuboid,

l= 12+12=24 cm
b= 12cm
h=12 cm

tsa of cuboid = 2(lb+bh+hl)
= 2[(24×12)+(12×12)+(12×24)]
= 2(288+114+288)
= 2×720
= 1440cm^2

Answer 2

Answer:

1440 cm²

Step-by-step explanation:

For the resulting cuboid,

l = (12 +12) cm

 = 24 cm

b = 12 cm

h = 12 cm

∴ Surface area of the resulting cuboid

= 2(24 × 12+12 ×12+12 × 24)

= 2 × 720

= 1440 cm²

Hence, 1440 cm² is surface area of resulting cuboid.