Mathematics
Senior High
Solved
求解 這題怎麼算？💧😵💫
計算題(每題10分,共20分)
9.由海岸邊的A與B兩觀測站分別測得C與D兩船與這兩觀測站間的角度如附圖所示,
若此兩觀測站間的距離AB=4公里,試求C、D兩船間的距離為√x公里,則x=_
SD
JD
CDAN
15-
751
A
"30"
757
4公里
B
Answers
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