📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store
  • ✖

      Question

      A frustum of a cone has radii of 5 cm and 3 cm, and a

      height of 8 cm. What is its volume?
      A 390 cm³ Correct Answer Incorrect Answer
      B 411 cm³ Correct Answer Incorrect Answer
      C 422 cm³ Correct Answer Incorrect Answer
      D 468 cm³ Correct Answer Incorrect Answer

      Solution

      Volume of a frustum of a cone = (1/3)πh(R² + Rr + r²) = (1/3)π * 8 * (5² + 5*3 + 3²) = 410.66                     ≈ 411 cm³. Answer: (B)

      Practice Next

      Relevant for Exams:

      ask-question