a solid is in the form of a right circular cylinder with a hemisphere shape at one end and a cone at the other end. their common diameter is 4.2 cm and heights of the cylindrical and conical portion are 12 cm and 7cm. respectively find the volume of the solid toy (π = 22/7)
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•SOLUTION:-
⇨Volume of the given toy =(volume of the hemisphere + volume of the cylinder + volume of the cone)
➠Hence,the volume of the given toy is 218.064 cm³
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Diameter of base of conical part=4.2cm
Diameter of base of cylindrical part=4.2cm
Diameter of hemispherical part=4.2m
Therefore radius=2.1cm
Height of conical part, h1 =7cm
Height of cylindrical part, h2 = 12cm
Volume of toy=volume of cone +volume of cylinder+volume of hemisphere
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