if the length of the diagonal of a cube is 8√3 find its total surface area.
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◆ Question ◆
if the length of the diagonal of a cube is 8√3 find its total surface area.
Length of the diagonal =8√3a
= a√3=8√3
=8cm.
surface area =
=6×8×8
=6×64
=384
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8
Solution :
Given :
The length of the diagonal of a cube is 8√3.
We know that formula of the diagonal of cube :
A/q
Now;
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