if a is 25 kilometers east of b b is 12 kilometers south of C, and C is 9 kilometers west of D?
how far is A from D in km??
回答 (3)
✔ 最佳答案
By Pythagoras
AD^2 = 12^2 +16^2
AD = 20 km
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收錄日期: 2021-05-01 01:20:04
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