the adjacent figure shows a solid consisting of a right circular cylinder with a hemisphere at one end and a cone at the other their common radius is 7cm .the height of the cylinder and cone are each of 4cm .find the volume of solid

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2258.7 cm

Step-by-step explanation:Given = radius of cone, cylinder, hemisphere = 7 cm

the hight of cone, cylinder = 4 cm

Now the volume of cone = 1/3πr^2h

= 1/3 * 22/7 * 7 * 7 * 4

= 1/3 * 22 * 7 * 4

= 616/3

Now the volume of cylinder = πr^2h

= 22/7 * 7 * 7 * 4

= 22 * 7 * 4

= 616

Now the volume of hemisphere = 4/3πr^3

= 4/3 * 22/7 * 7 * 7 * 7

= 4/3 * 22 * 7 * 7

= 4312/3

Now, according to the question, they all are joined from their end points

= 616/3 + 616 + 4312/3

= 616 + 1848 + 4312/3

= 6776/3

= 2258.7 cm