(1) The curved surface area A of a cone of height and base radius is pie R squareroot H square+T square.
(a) Make H the subject of the formula.
(b) Find the height of a cone of area 550cm Square and base radius 7cm, taking pie to be 22/7.
(2) if nSquare _ 1 over m = 4.
(a) Express n in terms of m .
(b) Hence find n when m=12.
1 answer
Please somebody help if I don't do think assignment I will be flogged.
1 answer