問題詳情
3.下列敘述何者正確？
(A) 周角的一半稱為直角。
(B) 鈍角三角形可以有兩個內角為鈍角。
(C) 如果有一條弦通過圓心，此弦就是直徑，而直徑是最長的弦。
(D) 等腰三角形頂角的角平分線不會垂直平分底邊。
(A) 周角的一半稱為直角。
(B) 鈍角三角形可以有兩個內角為鈍角。
(C) 如果有一條弦通過圓心，此弦就是直徑，而直徑是最長的弦。
(D) 等腰三角形頂角的角平分線不會垂直平分底邊。
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