Answer:
1271.7
Step-by-step explanation:
The volume of a cone is , so we plug in the values we are given! which equals 405pi. We use 3.14 for pi to get 1271.7. Hope this helps!
Answer: x = 63
15/3 = 5
3 * 21 = 63
63/15 = 21/5
36
AB + BC = AC
4m - 15 + 5m - 6 = 15
m - 21 = 15
m = 36