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Find the Surface Area of a Cube Whose Edge is 1.2 M. - Mathematics

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Question

Find the surface area of a cube whose edge is 1.2 m.

Answer in Brief

Solution

Edge of the a cube = 1 . 2 m 

 Surface area of the cube = 6 × (side ) 2=6×(1.2)2=6×1.44=8.64m2.

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Chapter 21: Mensuration - II (Volumes and Surface Areas of a Cuboid and a Cube) - Exercise 21.3 [Page 22]

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RD Sharma Mathematics [English] Class 8
Chapter 21 Mensuration - II (Volumes and Surface Areas of a Cuboid and a Cube)
Exercise 21.3 | Q 2.1 | Page 22

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