r = 2 inches
total h of the cylinder = 6+6+6 = 18 inches





Answer:
Step-by-step explanation:
60 -1 1/2 (8) 2
= 60 - 3/2 (8)(2)
= 60 - 3(8)
= 60 - 24
= 36
There are 12 inches in one foot. 120 x 12 = 1,440 inches. The correct ratio to be placed is the 5th one (aka 12 inches over 1 foot).
1/7 = 0.14285714
rounded to the nearest thousandth, it would be 0.143