11)
A line segment joining a vertex of a triangle to the mid-point of its opposite side is called a/an ( ) of triangle.
A.altitude
B.median
C.angle bisector
D.perpendicular bisector
收錄日期: 2021-04-25 16:58:13
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081218000051KK01032