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兩組對邊相等和有直角的四邊形
Author:
Anthony Or 柯志明
Topic:
Parallelogram
GeoGebra
用兩組相等的對邊可以砌出甚麼有直角的四邊形?
Tick all that apply
A
正方形
B
長方形
C
菱形
D
平行四邊形
E
梯形
Check my answer (3)
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