Trapez

a
b
c
d
h
a
b
c
d
h
Umfang $ U=a+b+c+d $
Mittellinie $ m=\frac{a+c}{2} $
$ A=m \cdot h $
Schwerpunkt $ s = \frac{h \cdot (a + 2 c)}{3 \cdot (a + c)} $



 



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