Math, asked by robotchitee, 5 months ago

three cuboids of dimensions 5cm×6m×7cm, 7cm×4cm×8cm and 3cm×13cm×2cm are melted and a cube is made .find the volume and lateral surface area of new cube.

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Answers

Answered by AlOnEgIRl3

Volume of First cuboid = 5 × 6 × 7 = 210 cm3

Volume of second cuboid = 4 × 7 × 8 = 224 cm3

Volume of third cuboid = 2 × 3 × 13 = 78 cm3 So,

Volume of a cube = 210 + 224 + 78 = 512 cm3

Let side of a cube be ‘a’ a3 = 512 ∴ a = 8 cm

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three cuboids of dimensions 5cm×6m×7cm, 7cm×4cm×8cm and 3cm×13cm×2cm are melted and a cube is made .find the volume and lateral surface area of new cube. ​

Answers

Volume of First cuboid = 5 × 6 × 7 = 210 cm3

Volume of second cuboid = 4 × 7 × 8 = 224 cm3

Volume of third cuboid = 2 × 3 × 13 = 78 cm3 So,

Volume of a cube = 210 + 224 + 78 = 512 cm3

Let side of a cube be ‘a’ a3 = 512 ∴ a = 8 cm

three cuboids of dimensions 5cm×6m×7cm, 7cm×4cm×8cm and 3cm×13cm×2cm are melted and a cube is made .find the volume and lateral surface area of new cube.