Answer:
60 36 24
Step-by-step explanation:
5 3 2
25x +9x + 4x = 5472
38x = 5472
x = 144
25(144) = 3,600 9(144) = 1,296 4(144) = 576
60² = 3,600 36²= 1,296 24² = 576
3,600 + 1,296+576 = 5,472
3.2
3.21428571429 is the exact answer and rounded to the nearest tenth is the first number after the decimal.
648pi
V=pi*r^2*h
V=pi*9^2*8
V=pi*81*8
V=648pi