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4. Mensuration
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Q2 of 64 Page 77

If the Lateral Surface Area of a cube is 900 cm2, find the length of its side.

Given:

LSA = 900cm2


LSA of cube = 4a2


900 = 4(a)2


⇒ (a)2 = 225


⇒ length of side of cube = 15cm


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Questions · 64
4. Mensuration
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