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Cone curved or total surface area from radius and height or slant height

This type of question, asked 8 times: 17 Jul 2023 S2, 18 Jul 2023 S1, 18 Jul 2023 S3, 20 Jul 2023 S3, 26 Jul 2023 S1, 12 Sep 2024 S3, 18 Sep 2024 S2, 26 Sep 2024 S1. All 8 questions below, oldest first.

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  1. Question 1

    17 Jul 2023 S2

    67
    What is the whole surface area of a cone of base radius 6 cm and height 8 cm?

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  2. Question 2

    18 Jul 2023 S1

    56
    A conical tent of height 10m and base diameter 48m was erected by a company in a park. Find the curved surface area of the tent (in m2\text{m}^2).

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  3. Question 3

    18 Jul 2023 S3

    54
    A conical tent with radius 6 units and height 8 units is to be made by canvas. How much canvas is needed to make the tent? (Rounded off to two places of decimals)

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  4. Question 4

    20 Jul 2023 S3

    74
    The slant height of a cone is 10 cm, and the radius is 6 cm. What is the total surface area of the cone? Take π=3.14\pi = 3.14

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  5. Question 5

    26 Jul 2023 S1

    64
    If the slant height of a cone is 60 cm and the radius of its base is 21 cm, then find its curved surface area. (use π=227\pi = \frac{22}{7})

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  6. Question 6

    12 Sep 2024 S3

    66
    The circumference of the base of a conical tent of height 8 m is 32π32\pi m. Find its curved surface area.

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  7. Question 7

    18 Sep 2024 S2

    73
    The radius of the base of a right circular cone is 9 cm and its slant height is 49 cm. Find the curved surface area of the cone.

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  8. Question 8

    26 Sep 2024 S1

    70
    What is the total surface area of a cone whose curved surface area is 550 cm2\text{cm}^2 and radius is 7 cm? (Take π=227)\left(\text{Take } \pi = \frac{22}{7}\right)

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