the volume of a cube is 729 cm× cm ×cm . Find its surface area
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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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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
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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