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24 September, 12:42

The height of a cone is 16cm and the base radius is 12cm. Find its curved surface area.

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  1. 24 September, 14:00
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    r = 12 cm

    h = 16 cm

    s = 20 cm

    V = 2412.74 cm³

    L = 753.982 cm² <-Answer

    B = 452.389 cm²

    A = 1206.37 cm²

    Agenda:

    r = radius

    h = height

    s = slant height

    V = volume

    L = lateral surface area

    B = base surface area

    A = total surface area

    π = pi = 3.14159

    √ = square root

    Lateral surface area of a cone: L = πrs = πr√ (r ² + h²)
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