Three cubes are kept adjacently ,edge to edge. if the edge of each cube is 7cm,find the total surface area of the resulting cuboid.
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Answer:686 cm square
Step-by-step explanation:
When cubes are joined together they form a cuboid
so L=7+7+7=21cm
B=7 cm
H=7 cm
T.S.A=2(LB +BH +HL)
=2(147+49+147)
=2(343)
=686 cm square
I hope it helps you
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