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Cone volume = (1/3)pi r^2 h: find volume, radius or height

This type of question, asked 4 times: 14 Jul 2023 S3, 19 Jul 2023 S1, 13 Sep 2024 S1, 26 Sep 2024 S3. All 4 questions below, oldest first.

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  1. Question 1

    14 Jul 2023 S3

    70
    The volume of a cone is 73920 cm3\text{cm}^3. If the height of the cone is 160cm, then find the diameter of its base.

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  2. Question 2

    19 Jul 2023 S1

    71
    A conical tent has a radius of 7 m and a vertical height of 24 m. How many full bags of rice can be emptied in it if the space occupied by the rice in each bag is 2 m3\text{m}^3?

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  3. Question 3

    13 Sep 2024 S1

    75
    What is the height (in m) of a conical water tank having radius of 70 m and volume of 46,200 m346,200\ \text{m}^3? (Take π=227\pi = \frac{22}{7})

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  4. Question 4

    26 Sep 2024 S3

    53
    Find the volume of a cone having base radius 3.5 cm and height 18 cm.

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