rohinik4599
rohinik4599 rohinik4599
  • 02-06-2016
  • Mathematics
contestada

how do you work this question out at the bottom? please help?????

how do you work this question out at the bottom please help class=
how do you work this question out at the bottom please help class=

Respuesta :

HomertheGenius
HomertheGenius HomertheGenius
  • 09-06-2016
Question Q1:
Surface area of the cone:
[tex] \pi r l + \pi r^{2}=125 \pi /: \pi rl+ r^{2}=125 5l+ 5^{2}=125 5l+25=125 5l=100 l=100:5=20 [/tex]
Answer: l=20 cm.
Answer Link
Prettypuinkpaws15
Prettypuinkpaws15 Prettypuinkpaws15
  • 10-06-2016
Surface area of the cone:

Answer: l=20 cm.
Answer Link

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