three cooper cubes who's edges measure 5cm 4cm and 3cm respectively melted to form a single cube Find the surface area of new cube
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Volume of first cube (V1) = 5×5×5
= 125
Volume of second cube (V2) = 4×4×4
= 64
Volume of third cube (V3) = 3×3×3
= 27
Volume of big single cube = V1+V2+V3
= 125+64+27
= 216
Volume of cube = a^3
216 = a^3
6^3 = a^3
a = 6
Total surface area of big cube = 6(a)^2
= 6(6^2)
= 6(36)
= 216
Hope it helps. Please mark it brainliest.
= 125
Volume of second cube (V2) = 4×4×4
= 64
Volume of third cube (V3) = 3×3×3
= 27
Volume of big single cube = V1+V2+V3
= 125+64+27
= 216
Volume of cube = a^3
216 = a^3
6^3 = a^3
a = 6
Total surface area of big cube = 6(a)^2
= 6(6^2)
= 6(36)
= 216
Hope it helps. Please mark it brainliest.
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