Triangle
Area (A) = 0.5 x b x h
b = CM, h = CM
CM
CM
Rectangle
Area (A) = w x l
b = CM, h = CM
CM
CM
Parallelogram
Area (A) = b x h
b = CM, h = CM
CM
CM
Rhombus
Area (A) = 0.5 x d1 x d2
b = CM, h = CM
CM
CM
Pentagon
Area (A) = 0.5 x p x b
b = CM, h = CM
CM
CM
Ellipse
Area (A) = πab
b = CM, h = CM
CM
CM