h1=Height of coner1=Radius of coneh2=Height of cylinderr1=Radius of cylinderTaking the ratios.r1h1=r2h2512=r25r2=1225Volume of cone=3πr12h1=31×π×52×12=100πVolume of cylinder=πr22h2=π×5×122252=1443125πAmount of wood left=100π−1443125π=14411275π=245.98cm3
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