Question

2 cubes each of volume 64 cm are joined end to end. find the surface area of the resulting cubiod

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Answer 1

Step-by-step explanation:

side of both the cubes are 8cm

when joined,

l=8+8=16cm

b=8cm

h=8cm

area= 2(128 +64+128)

=2 * 320

=640cm^2