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