Mathematics
Junior High
這題😵💫😵💫😵💫，圖形題我真的不擅長，改怎麼辦？
1₁
3-1
內角與外角
姓名
8/如右圖,各角的度數如圖
所示,則a=?
(A) 98
(B) 105
(C) 119
(D) 140
。
9. 如右圖,已知 CD 為正方形
班號 得分
SxⓇ
3x²
-4x²
'a
F
Answers
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