A solid wooden toy is in the shape of cone surmounted on hemisphere of radius 4.2cm and total height of toy is 10.2cm. Volume of toy is------cubic cm. * 1 point
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Answer:
radius of cone = radius of hemisphere
radius =4.2cm
height of toy =10.2 cm
Height of cone = 10.2 - 4.2
=6cm
volume of toy = volume of cone + volume of hemisphere
=1/3πr^2h + 2/3πr^3
=1/3×22/7×4.2×4.2×6 + 2/3×22/7×4.2×4.2×4.2
=110.88 + 155.232
=266.112cm^3
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