Math, asked by sowmyanvinayak, 11 months ago

Three cubes of metal with edges 5c
cube. Find the lateral surface arethree cubes of metal with edges 5 cm 4 cm and 3 cm respectively are melted to form a single cube find the lateral surface area of the new cube formed ​

Answers

Answered by jainishpjain
5

The lateral surface area of a cube is 6×side²

Volume of a cube is side³

Surface area of cube with edge

5cm = 6×5×5 = 150cm²

4cm = 6×4×4 = 96cm²

3cm = 6×3×3 = 54cm²

Volume of new cube is 5³+4³+3³ = 216cm³

Volume = side³

216^1/3 = side

hence side is 6cm

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