which tank has greater volume?
what is the difference in the volume correct to the nearest liter?
jake looks at buying either a rectangular tank with dimention 3m by 1m by 2m or a cylandric tank with radius 1m and height 2m?
2015-09-01 12:12 pm
回答 (1)
2015-09-01 12:27 pm
The rectangular tank: 3 x 1 x 2 = 6 m^3
The cylindrical tank: π x 1^2 x 2 = 2π m^3
2π ≈ 6.2832. So the difference, in cubic
meters, is about 0.2832 (the cylinder is bigger)
Now 1 m^3 = 1000 L, so the difference in
liters is 0.2832 x 1000 = 283 liters, rounded
The cylindrical tank: π x 1^2 x 2 = 2π m^3
2π ≈ 6.2832. So the difference, in cubic
meters, is about 0.2832 (the cylinder is bigger)
Now 1 m^3 = 1000 L, so the difference in
liters is 0.2832 x 1000 = 283 liters, rounded
收錄日期: 2021-05-01 15:32:48
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150901041210AAPwAP6