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