Question

external dimension of an wooden cubical box 25 cm × 20 cm × 12 cm. if the thickness of the wood is 2.8 CM all around find the volume of wood contained in the box​

Answer 1

Answer:

4212.096cm^3

Step-by-step explanation:

4212.096cm^3

Step-by-step explanation:

l=25,b=20,h=12

volume of external dimension=lbh

=25cm*20cm*12cm

I'-25-(2*2.8) 19.4,b'=20-(2*2.8)=14.4,h'=12-(2* 2.8)=6.4

volume of internal dimension=l'b'h'

19.4*14.4*6.4

volume of wood-volume of external dimension-volume of internal dimension

=lbh-l'b'h'

=25*20*12-19.4*14.4*6.4-4212.096cm^3

hence, required volume = 4212.096cm^3