Question

How many 4cm cubes which can be cut from a solid cube whose edge is 32 cm..

Answer 1

using FORMULA

SURFACE AREA of CUBE = 6a^2

put a=32cm for area of cube whose side is 32 we get

6×32cm×32cm = 6144cm^2

put a=4cm for area of cube whose side is 4 we get

6×4cm×4cm = 96cm^2

divide 6144 to 96 for get how many small cubes cut from big cube

6144÷96
we get 64

so we say that 64 cubes are cut from a solid cube

Answer 2

Step-by-step explanation:

edge of cube = 32cm

area of cube = (side ) ²

= (32)²

= 1024

number of cube = 4cm

number of 1 cube = 1024÷4

=256