Question

c)A closed wooden box 70 cm long, 50 cm wide and 30 cm high is made up

of wood 5 cm thick. Find the capacity of the box.​

Answer 1

Answer:

data : h=30

l=70

b=50

v=lbh

volume=30×70×50

= 105000

Answer 2

Answer:

l  ′  =80−2(2.5)=75cm

b ′ =60cm

h  ′  =40cm

[Dimensions of inside of box]

v=l  ′  b  ′ h   =(75)(60)(40)

=180000cm  ^3

 

100cm  ^3 →8g

180000cm^3 =8/100 x 180000  

​                     =14400g

        Weight=14.4 kg.