Triangle
Area (A) = 0.5 x b x h
CM
Rectangle
Area (A) = w x I
CM
Parlogrm
Area (A) = b x h
CM
Rhombus
Area (A) =0.5 x d1 x d2
CM
Pentagon
Area (A) = 0.5 x p x b
CM
Ellipse
Area (A) = π ab
CM