two cylindrical pillars each have a radius of 3.5. One is 10cm high while the other is 20cm then the ratio of their volume is
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Two cylindrical pillars radius =3.5 cm
Height of one cylinder (h1) =10cm
Height of another cylinder (h2) =20cm
Ratio of their volumes =?
Volume of 1st cylinder =22/7×3.5^2×10
= 22/7 ×3.5×3.5×10
= 22×3.5×10=220×3.5
= 385 cm^3
Volume of 2nd cylinder = 22/7×3.5^2×20
= 22/7×3.5×3.5×20
= 770 cm^3
Ratio of volumes = 385:770
Or 77:154
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