Why we do plus this
We can simply minus this also
Question
Internal diameter of a cylindrical pipe is 7 cm if flow of water through this pipe is 192.5 litre per minute then find the rate of flow of water through this pipe is kilometre per hour
Find the volume of a hollow cylinder of height whose internal radius is 3 cm and thickness is 1 centimetre
Show that of the rectangles in inscribed in a given fixed circle the square the maximum area
