Triangle
Area (A) = 0.5 X B X H
cm
cm
Rectangle
Area (A) = W X I
cm
cm
Parallelogram
Area (A) = B X H
10cm
12cm
Rhombus
Area (A) = 0.5 X d1 X d2
16cm
8cm
Pentagon
Area (A) = 0.5 X p X b
6cm
10cm
Ellipse
Area (A) = ab
10cm
4cm