Question

A cone of maximum volume is carved out from a solid cylinder of base diameter
30cm and height 20 cm
a) Find the base radius , height and slant height of the cone of the cone ?
b) Find the curved surface area of the cone?
c) Find the curved surface area of the cone ?​

Answer 1

Answer:

(b) Total surface area of cuboid = 2 ( lb + bh + hl ). (c) ... Cone having height = h, radius = r and slant height = l ... A cone is 8.4 cm high and the radius of its base is 2.1 cm.

Answer 2

Answer:

a. 15 cm , 20 cm , 25 cm

b CSA = 1178.6 cm sq

c. Total SA = 1885.71.

Step-by-step explanation:

a Hand written solution with sketch is in attached photo