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The Total Surface Area of a Cube is 216 Cm2. Find Its Volume. - Mathematics

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Question

The total surface area of a cube is 216 cm2. Find its volume.

Sum
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Solution

6(Edge)2 = Total surface area of a cube

6(Edge)2 = 216 cm2

=> (Edge)2 = `216/6`

=> (Edge)2 = 36

=> Edge = `sqrt(36)`

=> Edge = 6 cm

Volume of the given cube = (Edge)3 = (6)3 = 6 x 6 x 6 = 216 cm3

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Chapter 21: Surface Area, Volume and Capacity - Exercise 21 (A) [Page 238]

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Selina Concise Mathematics [English] Class 8 ICSE
Chapter 21 Surface Area, Volume and Capacity
Exercise 21 (A) | Q 7 | Page 238

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