Answer:
36
Step-by-step explanation:
Volume of 1 cylinder = πr²h = 3.14*4²*20 = 1004.8 cm³
As the company make a whole lot of 36172.8 cm³ of rods
Volume of 1 cylinder*no.of cylinders = Total volume of steel company makes
1004.8*x = 36172.8
x = 36172.8/1004.8 = 36
So the company makes 36 rods(since rods are made of steel)
