Question

2.)A cylinder which has a height of 90cm and diameter 14cm is closed at both ends find in its total surface area is the volume of the cylinder [take π = 22/7 ].

3.) A container is 24m long, 9m wide and 8m high - How many books can it hold if each bottle book is 20cm bong, 16cm wide and 6cm thick? Solution. d​

Answer 1

A =3960 as the surface area. B=309 books.

Explanation:

SA=

`2\pirh + \pir * r`

so 2*22/7*7*90+22/7*7*7.

=

`3960cm {}^(2)`

B.get the volume of the box - volume of the book