Triangle
Area (A) = 0.5×b×h
cm
Rectangle
Area (A) = W×I
cm
Parallelogram
Area (A) = b×h
b=10cm, h=12cm
Area Calculation
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