perezalondra430 perezalondra430
  • 01-07-2020
  • Mathematics
contestada

The lateral area of a cone is 86 cm squared. The radius is 18 cm. Find the slant height to
the nearest tenth.

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 09-07-2020

Answer:

  1.5 cm

Step-by-step explanation:

The lateral area is given by ...

  LA = πrh

  86 cm^2 = π(18 cm)h

  h = (86 cm^2)/(18π cm) ≈ 1.5 . . . cm

_____

Comment on the problem

The geometry described here is impossible. The slant height cannot be less than the radius of the cone. We suspect a typo in the problem statement.

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