4/3
Remember if two lines are perpendicular, the product of their slopes are -1
The volume of a cone is 1/3 pi r^2 h, so plug this in to get the answer
Answer:
6
Step-by-step explanation:
cancel out 5 by multiplying its by 5, what you do to one side you do to the other. so you also multiply 12 by 5. and you should get 60
