42. 如【圖3】所示，已知ψAB＝56°20′40"，β＝220°15′20"，則下列何者正確？(A)ψBA＝236°20′40"(B)ψBC＝96°36′00&quo

問題詳情

42. 如【圖3】所示，已知ψAB＝56°20′40"，β＝220°15′20"，則下列何者正確？
(A)ψBA＝236°20′40"
(B)ψBC＝96°36′00"
(C)ψBC＝β− (180° − ψBA)
(D)ψCB＝276°36′00"

答案：A,B,D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)