Question

Find capacity of cubical tank of internal measurement 10cm and thickness of the material is 1cm.​

Answer 1

Step-by-step explanation:

ANSWER

Given, the external dimensions of a closed wooden box are 78 cm, 19 cm.

Let the external height be  h cm respectively. 

As the thickness is  1.5 cm , the internal length, breadth and height of the closed box are 78−2(1.5)=75 cm, 19−2(1.5)=16 cm

and h−2(1.5)=(h−3) cm respectively.

Given, capacity of the box =15cudm=15000cucm 

As the box is cuboidal, its volume = length × breadth  × height 

⇒(75×16×(h−3))=15000

⇒(h−3)=12.5 cm 

⇒h=15.5 cm