Find the volume I of the circular come with (i) radius 7cm, slant height 25cm (ii) radius 3.5 cm height 12 cm
jack1128:
no I have the answer
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the first one I need
(i)
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(ii) r=3.5 cm
h=12 cm
V.of cone=1/3×22/7×3.5×3.5×12
=22×5×7×2/10
=154cm^3
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