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20. 施測一附合導線如圖(四)所示,已知 = 30°00'21" 、 =210°00'27''各角觀測紀錄如表(三)所示,請問下列何者正確? (A
問題詳情
20. 施測一附合導線如圖(四)所示,已知
= 30°00'21" 、
=210°00'27''各角觀測紀錄如表(三)所示,請問下列何者正確?
(A) 此閉合差為 -0°00'03"
(B) ∠1改正後度數為 302°12 ' 46 "
(C) 角度改正後
= 91°40'50"23
(D) 角度改正後
= 210°00'18"
參考答案
答案:C
難度:
計算中
-1
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3.如圖, 為圓的切線,若∠BAC=40°、BC 弧的弧度為80°,則 BD 弧的弧度為? (A)60° (B)120° (C)140° (D)160°
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※43~45* attend 參加【題組】43.Dylan wants to win the prize for the scariest costume, whichcostume is bette
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