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Since the three solids are on the same base with same height
for hemisphere
radius= r cm

for cone
radius=height =r cm

for cylinder
radius= height=r cm

The ratio of
Volume of cylinder:volume of hemisphere:Volume of cone

Therefore the ratio of the given solids is 3:2:1

Hope it helped you!! :)
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thank you so much
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Plz mark it as the brainliest
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