SOLUTION: A company makes steel rods shaped like cylinders. Each rod has a diameter of
6 centimeters and a height of 20 centimeters. How much steel will the company need to make 189 rods?
Algebra.Com
Question 1080410: A company makes steel rods shaped like cylinders. Each rod has a diameter of
6 centimeters and a height of 20 centimeters. How much steel will the company need to make 189 rods?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
For a cylinder, the formula for volume is v=πr²h, where r is the radius, and h is the height. So, for these rods, the measure is:
V=π(3)²20=180π
189 rods =189 x 180π=106877 cm³ of steel needed. ☺☺☺☺
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