Question

The total surface area of a cube whose edge equals to 3 cm is
1)62 sq cm
2)30 sq cm
3)54 sq cm
4)90 sq cm

Answer 1

Answer:

54 SQ CM

Step-by-step explanation:

SURFACE AREA OF CUBE =6aSQ

=6×3×3

=6×9

=54

=54 SQ CM

Answer 2

The total surface area of the cube is 54 sq. cm. Option 3

Given: Side of cube is 3 cm

To Find: Total surface area of cube

Solution:

Side of the cube is 3 cm

Total surface area of cube = 6a²

The total  surface area of cube of side 3cm = 6×3×3 = 54 sq.cm

Hence, the total surface area of the cube of side 3cm is 54 sq.cm Option 3.

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