Question

the radius of the base of a cylindrical wooden block is 5cm and its volume is 1100 cu cm how many disc of radius 5cm and height 2cm can be cut from this block of wood all step by step

Answer 1

According to me
Radius of cylindrical wooden block = 5cm
Volume = 1100 cu cm
Let the Height be x
= pie r. Sq h
=22/7 into 5 into 5 into x = 1100
5 into 5 into x = 1100 into 7/22
5 into 5 into x = 350
x = 350/25
x = 14
So h = 14
New radius = 5 cm
New height = 2 cm
So
New volume = ?
= pie r Sq h
= 22/7 into 5 into 5 into 2
= 22/7 into 20
= 440/7
= 62.85