Trapezoid

Two opposite sides of the trapezoid are parallel.
Side length a
Side length b
Side length c
Side length d
Height h
Side length a
Side length b
Side length c
Side length d
Height h
Circumfirence $ U=a+b+c+d $
Midline $ m=\frac{a+c}{2} $
Area $ A=m \cdot h $
Center of gravity $ s = \frac{h \cdot (a + 2 c)}{3 \cdot (a + c)} $
Attention: Formulas are not correct yet. Website under construction.



 



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