Question

A closed box is made up of wood which is 2 cm thick if the external dimension of the box are 25 cm ,18 cm,15 cm find the following 1 capacity of the box 2 volume of wood in it 3 mass of the box if 1 cmcube of wood has a mass of 10 gram

Answer 1

Answer:

Capacity means volume

v= lbh

l=25 - 4 = 21

b= 18- 4= 14

h= 15- 4= 11

v = 21*14*11

3234 cmcube

volume of wood= external volume- internal volume

external v= 25*18*15=6750cmcube

internal volume =21*14*11=3234

volume of wood=6750-3234=3516

volume of wood=3516cmcube

mass of the box= 3516*10=35160gram

Answer 2

Answer:

i) 3.234L

ii) 3516 cm cube

iii) 35.16 kg