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