Скачать или смотреть A wooden bookshelf has external dimensions as follows: `H e igh t=110c m ,D e p t h=24 c m ,B r ...

This is the Solution of Question From RD SHARMA book of CLASS 9 CHAPTER SURFACE AREAS AND VOLUMES This Question is also available in R S AGGARWAL book of CLASS 9 You can Find Solution of All Question From RD SHARMA and R S AGGARWAL book from class 6-12 on our app DOUBTNUT for Free



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==== QUESTION TEXT ====

A wooden bookshelf has external dimensions as follows: `H e igh t=110c m ,D e p t h=24 c m ,B r e a dt h=85 c m` (See Figure). The thickness of the plank is `5c m` everywhere. The external faces are to be polished and the inner face are to be painted. If the rate of polisheing is `20p a i s ep e rc m^2` find total cost of polishing

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