問題詳情
一、多重選擇題(5%,全對才給分)1. 下列有關測量的敘述﹐何者正確﹖
(A)若自點P測得點Q的仰角為12°﹐則自點Q測得點P的俯角為12°。
(B)若自地面上P點測得兩目標物Q和R的仰角各為50°和40°﹐則Q點所在位置比R點所在位置高。
(C)若自地面上P點和Q點測同一建築物的仰角相同﹐則P﹐Q和此建築物的距離一樣遠。
(D)若點P在點Q的東20°南﹐則點Q在點P的南70°東。
(E)若點P在點Q的東23°南﹐則點Q在點P的西23°北。
(A)若自點P測得點Q的仰角為12°﹐則自點Q測得點P的俯角為12°。
(B)若自地面上P點測得兩目標物Q和R的仰角各為50°和40°﹐則Q點所在位置比R點所在位置高。
(C)若自地面上P點和Q點測同一建築物的仰角相同﹐則P﹐Q和此建築物的距離一樣遠。
(D)若點P在點Q的東20°南﹐則點Q在點P的南70°東。
(E)若點P在點Q的東23°南﹐則點Q在點P的西23°北。
參考答案
答案:A,C,E
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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