Answer:
first step close the computer u failed
4.5/2.5 = y/12
y = 12 * 4.5/2.5
y = 21.6
To find this you have to divide 351 by 46, which is <span>7.63043478261 but you can round it to 8. So it would be 8.</span>
Formula for volume of cone:
V = 
r = 6 km
h = 12 km
V = 
V = 
V = 
V = 452.389 km^3 <----------------------Using the calculators pi button
V = 452.16 km^3 <-------------------------Using 3.14 for pi
Hope this helped!
~Just a girl in love with Shawn Mendes
Cheack the expononets may be it wrong harder to get