Mathematics
Junior High
Resolved
請問這一題要怎麼解？謝謝～
4. 如右圖,∠A=43°,∠B=47°,∠C
DEC HA
=28°,∠D=24°。請回答下列問題:
(1)
<1+<2-<3=
128
度。
C
D
E
F
A.
.B
(2) 若不考慮直線,放置一個小型機器人由4點沿著
(C) 00
A→B→F→D→E→C的路徑抵達C點,則它至
少共轉了 度。
(V)28
417《試題結束》
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