Question

iT.S. A of a cube in 3300 Sq.cm. find
the surface area of all vertical faces of
the cube.
Complete the following activity
a total surface area of cube =
_____
t² = _______
area of vertical faces of cube =_______
=_______​

Answer 1

Answer:

totalsurfaceareaofacube=6a

2

5400=6a

2

a

2

=5400÷6

a=

900

a=30

so sides of cube =30cm

i.e, surface area of a cube=4(a×a)=4×30cm×30cm=3600sq.cm