kitty138 kitty138
  • 04-07-2018
  • Mathematics
contestada

What’s the radius of a cone if the height is 12 and the volume is 36pi

Respuesta :

mkryukova19 mkryukova19
  • 04-07-2018
V = (1/3)πr²h
V= 36π
h=12

36π=(1/3)πr²*12
36 =4r²
r² = 9
r = √9 = 3
Answer: r=3. 
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