A At LEAST ONE PAIR OF OPPOSITE SIDES ARE PARALLEL
B BOTH PAIR OF OPPOSITE SIDES ARE PARALLEL
C BOTH PAIR OF OPPOSITE SIDES ARE EQUAL
D BOTH PAIR OF OPPOSITE ANGLES ARE EQUAL
E THE TWO DIAGONALS BISECT EACH OTHER
F THE TWO DIAGONALS ARE PERPENDICULAR TO EACH OTHER
G THE TWO DIAGONALS ARE EQUAL
H EACH DIAGONALS MAKES AN ANGLE OF 45° WITH EACH SIDE
I THE FOUR SIDES ARE OF EQUAL LENGTHS
A 至少有一雙對邊平行
B 兩雙對邊都平行
C 兩雙對邊都相等
D 對角相等
E 對角線互相平分
F 對角線互相垂直
G 兩對角線等長
H 每條對角線將每個角平分成45度
I 四邊等長
A At LEAST ONE PAIR OF OPPOSITE SIDES ARE PARALLEL
B BOTH PAIR OF OPPOSITE SIDES ARE PARALLEL
C BOTH PAIR OF OPPOSITE SIDES ARE EQUAL
D BOTH PAIR OF OPPOSITE ANGLES ARE EQUAL
E THE TWO DIAG ...
36256649 發表於 2-9-2012 19:21