. If the side of a cube is 3cm find its total surface area.
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Given side= 3cm & TSA of cube=6a^2
then,
TSA= 6×(3)^2= 6×9
TSA of cube= 54cm^2.
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Answer:
The total surface area of a cube is
Step-by-step explanation:
As per the data given in the above question,
Given that the side of a cube is 3 cm,
We have to find the total surface area of a cube,
Here we have to use the formula of the cube,
Where a is the side of the cube,
Substitute the value of side in the above area formula we get,
Squaring a number is to multiplying a number by itself,
The total surface area of a cube is
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