問題詳情
7.高空中有一氣球﹐為了測量此氣球的高度﹐在地面上找了A﹐B﹐C三點﹐測得氣球的仰角都是30°﹐且
公尺﹐∠BAC = 30°﹒求氣球高度______________
公尺﹐∠BAC = 30°﹒求氣球高度______________
參考答案
答案：A
難度：簡單0.867144
統計：A(1573),B(33),C(25),D(79),E(0) #
個人：尚未作答書單：特殊教育法第27條、特推會、特殊教育法
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