Question

A solid Is in the form of cone with hemispherical base. The radius of the cone is 15cm and the total height of the solid is 55cm. Find the volume of solid ​

Answer 1

Answer:

vol of a cone = 1/3 x pie x r x r x h

= 12,959.069 (approx)

Answer 2

Answer:

11550cm³

Step-by-step explanation:

Hemisphere

r= 15cm    (radius of cone is same as radius of hemisphere)

Cone

r= 15cm

h= 55-15 = 40cm

Volume of solid=  V of cone + V of hemisphere

                            = 1/3πr²h + 2/3πr³

                            = 1/3πr²(h+2r)

                            = 1/3 x 22/7 x 15²(40+2 x 15)

                            =22/7 x 5 x 15 (40 + 30)

                            = 22/7 x 5 x15x 70

                            =22 x 5 x 15 x 10

Volume of solid  = 11550cm³