If the perimeter of one face of a cube is 20 cm then its syrface area sq. Cm is
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Perimeter of cube = 20 cm.
4 × Edge = 20
Edge = 5 cm.
Therefore,
Surface Area of cube = 6 • ( Side)²
=> 6 × (5)²
=> 6×25
=> 150 cm².
4 × Edge = 20
Edge = 5 cm.
Therefore,
Surface Area of cube = 6 • ( Side)²
=> 6 × (5)²
=> 6×25
=> 150 cm².
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