Answers

2016-04-04T07:46:21+05:30
A^3 = 729 a= root 729 a = 9 cm TSA of cube = 6a^2 = 6×(9^2) = 6× 81 ; = 486cm^2
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2016-04-04T10:22:44+05:30
Let 'a' be the side of the cube 
volume of the cube = a³
a³ = 729
a  = 9
surface area of the cube = 6a²
surface area of the cube = 6 × 9 × 9 =486 sq.cm
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a³ = 729 a = 9 surface area of the cube = 6a² surface area of the cube = 6 × 9 × 9 =486 sq.cm
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