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Lenght x Width = area, if rectangle
πr² for circle 
for sqaure = x²
Parallelogram thats base x height
for trapezoid h/2(b1+b2)
ellipse πr1r2
triangle 1/2bh
equilateral triangle √3/4(a²)
0 0 0
Rectangle=lenght x height square=side x side
0 0 0
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