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What is the volume of a solid cylinder of diameter 7cm and height 7cm? (Take…

What is the volume of a solid cylinder of diameter 7cm and height 7cm? (Take (pi = frac{22}{7}))
  • A.
    38.5cm3
  • B.
    77cm3
  • C.
    269.5cm3
  • D.
    1078cm3
Correct Answer: Option C
Explanation

Volume of a solid cylinder = Base area x height
Base area (=pi r^2 =frac{22}{7} times frac{7}{2}times frac{7}{2} = frac{77}{2})
Volume of a solid cylinder = (frac{77}{2}times frac{7}{1} = frac{539}{2}cm^3\
=269.5cm^3)

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