[計量] 請問一題老方講義Q4-5 #24
Two sets of vertical angles are formed by two intersecting lines.
The sum of the measures of one set of vertical angles is 2x and
the sum of the measures of the other set is 2y.
A B
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x y
答案是D
題目每個字都看得懂 可是不知道他到底想問什麼
有請高手解答 謝謝:)
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