Triangle
Area (A) = 0.5 * b * h
cm
cm
Triangle: cm2
Rectangle
Area (A) = w * I
cm
cm
Rectangle: cm2
Parallelogram
Area (A) = b * h
cm
cm
Parallelogram: cm2
Rhombus
Area (A) = 0.5 * d 1 * d 2
cm
cm
Rhombus: cm2
Pentagon
Area (A) = 0.5 * p * b
cm
cm
Pentagon: cm2
Ellipse
Area (A) = pi ab
cm
cm
Ellipse: cm2