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Find the Ratio of the Total Surface Area and Lateral Surface Area of a Cube.

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Question

Find the ratio of the total surface area and lateral surface area of a cube.

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Solution

Cube total surface area `6a^2`

Where, a = edge of cube

And, lateral surface area`= LSA =4a^2`

Where a =edge of cube

`∴Ratio of TSA and LSA =(6a^2)/(4a^2)is 3/2 is 3:2`

 

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Chapter 18: Surface Areas and Volume of a Cuboid and Cube - Exercise 18.1 [Page 14]

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R.D. Sharma Mathematics [English] Class 9
Chapter 18 Surface Areas and Volume of a Cuboid and Cube
Exercise 18.1 | Q 3 | Page 14

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