Triangle
Area (A) = 0.5 × b × h
cm
cm
Rectangle
Area (A) = w × l
cm
cm
Parallelogram
Area (A) = b × h
b = 10cm,
h = 12cm
Rhombus
Area (A) = 0.5 × d1 × d2
d1 = 16cm,
d2 = 8cm
Pentagon
Area (A) = 0.5 × p × b
p = 6cm,
b = 10cm
Ellipse
Area (A) = πab
a = 10cm,
b = 4cm