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math

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Calculate the slant height for the given cone. Round to the nearest tenth.

Diameter = 8cm
height = 9 cm

10.2 cm
11.4 cm
9.8 cm
12.0 cm****

  • math -

    s^2 = r^2 + h^2 = (d/2)^2 + h^2
    s^2 = 4^2+9^2 = 16+81 = 97
    s = 9.8

  • math -

    thank you for correcting me (: @steve

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