shann2timezz shann2timezz

17-06-2017
Mathematics

contestada

the slant height, l, of a cone with a surface area of 500π ft2 and a radius of 15 ft.
l =
ft

Respuesta :

21-06-2017

Surface area = πr(r + l)
500π = 15π(15 + l)
100 = 3(15 + l)
100=45+3l
100-45=3l
55=3l
l=55/3
l=18.3ft to one decimal place

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kgcastanza kgcastanza

18-11-2020

Answer:

275 ft

Step-by-step explanation: correct of edge2020

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