If the perimeter of each face of a cube is 32 cm, find its lateral surface area. Note that four faces which meet the base of a cube are called its lateral faces.
a → Side of the cube
Perimeter of each face is 32 cm.
4a = 32
a = 8cm
Lateral surface area,
= 4 × 82
= 256 cm2
So the lateral surface area of the cube is 256 cm2 .
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