the perimeter of one face of a cube is 20 cm . find the tsa of the cube
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5
side of cube = 20/4 = 5 cm
TSA = 6*5*5=150 cm^2
TSA = 6*5*5=150 cm^2
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one face of a cube is a square.
so perimeter of a square is 4a
4a = 20
a= 5cm
now TSA of a cube = 6a^2
so 6* 5^2
6*25
150 cm^2
hence TSA of the cube is 150 sq cm.
plzz mark as Brainliest
so perimeter of a square is 4a
4a = 20
a= 5cm
now TSA of a cube = 6a^2
so 6* 5^2
6*25
150 cm^2
hence TSA of the cube is 150 sq cm.
plzz mark as Brainliest
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