問math 一題
2007-02-27 3:37 am
回答 (1)
2007-02-27 3:55 am
✔ 最佳答案
40s run 360 degree360/40s = routate / 4s
routate = 36 degree
D = 24m
r = 12m
Triangle side length = 12m x cos 36
Triangle side length = 9.7m
Rised height = OP - Triangle side length
Rised height = 12 - 9.7
Rised height = 2.3m
收錄日期: 2021-04-23 16:41:31
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