If the length of a diagonal of a cube is 8root under 3cm then find its surface area
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Diagonal of cube = 8√3 cm.
√3 × Edge = 8√3
Edge = (8√3/√3) cm
Edge = 8 cm.
Surface area of cube = 6 × (Edge)²
=> 6 × (8)²
=> 6 × 64
=> 384 cm².
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1
diagonal of cube = 8 root 3 cm
root 3 × side = 8root 3
side = 8root 3/root 3 = 8.
tsa of cube = 6side² = 6 (8)² = 385 cm².
root 3 × side = 8root 3
side = 8root 3/root 3 = 8.
tsa of cube = 6side² = 6 (8)² = 385 cm².
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