27 cubes each of their edges measure 3 cm are joined end to end to form a single cube then the surface area of the new cube is
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t.s.a of new cube is
27×3
81cm
formulae of area = 6(a)^2
6×(81)^2
39366cm^2
27×3
81cm
formulae of area = 6(a)^2
6×(81)^2
39366cm^2
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