Question

Find the surface area of the
following cubes whose sides
are
a) 2.5m​

Answer 1

Answer:

TSA = 6l^2

= 6(2.5^2)

= 6(6.25)

= 37.5 cm^2

LSA = 4l^2

= 4(2.5^2)

= 4(6.25)

= 25 cm^2

Answer 2

Answer:37.5$m^{2}$

Step-by-step explanation:

To find the total surface area of a cube, first you have to find the area of a surface.

A surface of a cube is square shape. (Which means length and breadth are equal.)

So, area of the square is 2.5 x 2.5 = 6.25$m^{2}$

A cube has 6 faces. So 6.25 x 6= 37.5$m^{2}$

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