Question

From a right circular cylinder of height 2.4 cm and radius 0.7 cm, a right circular cone of same radius is cutout.

Answer 1

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Answer 2

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Q.From a solid right circular cylinder of height 2.4 cm and radius 0.7 cm, a right circular cone of same height and same radius is cut out. Find the total surface area of remaining solid.

Vol. of cone = 1/3 Vol. of cylinder with same height and radius.

So,

Vol. of remaining shape =vol. of cylinder - 1/3 vol. of cylinder.

Vol. of cylinder = 1.68 cm^3

vol of cone = 1/3 × 1.68 = 0.56cm^3

So, THE VOLUME OF REMAINING FIGURE = 1.68-0.56

= 1.12 cm^3

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