1. 已知點A為x + 2 = 0與x + y = 0兩直線的交點，點B為(1, 6)，則線段長為何？(A) 3 (B) 5 (C) 7 (D)

問題詳情

1. 已知點A為x + 2 = 0與x + y = 0兩直線的交點，點B為(1, 6)，則

線段長為何？
(A) 3
(B) 5
(C) 7
(D)

參考答案

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