sudhavelmurugan26 sudhavelmurugan26

22-12-2021
Mathematics

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Three cubes each of side 3 cm each are joined end to end. Find the surface area of the resultant solid.

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sqdancefan sqdancefan

22-12-2021

Answer:

126 cm^2

Step-by-step explanation:

The surface area of one cube face is (3 cm)^2 = 9 cm^2.

Each cube has 6 faces, but joining them together hides 4 of the faces. The surface area of the resultant solid is ...

(6·3 -4)·(9 cm^2) = 126 cm^2

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