Question

Five cubes each of side 6 cm is joined to form a cuboid. Find the total surface area of the new cuboid formed

Answer 1

Step-by-step explanation:

l=5×5=25

h=5

b=5

tsa of cuboid =2(lb+bh+hl)

=2(25×5+5×5+5×25)

=2(125+25+125)

=2(275)

=550

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Answer 2

Answer:

when 5 cubes of 6 cm are joined,

length of cuboid = 6+6+6+6+6cm

= 30cm

breadth of cuboid = 6cm

height of cuboid = 6cm

total surface area of new cuboid= 2(lb+bh+hl)

=2(30×6+6×6+6×30)

= 2(180+36+180)

=2×396

= 792cm²

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