Triangle

Area (A) = 0.5 X b X h

cm

cm

Rectangle

Area (A) = W * I

cm

cm

Parallelogram

Area (A) = b X h

b = 10cm, h = 12cm

Rhombus

Area(A)= 0.5 X d1 X d2

d1 = 16cmd2 = 8cm

Pentagon

Area(A)= 0.5 X p X b

P = 6cm, b = 10cm

Ellipse

Area (A) = πab

a=10cm, b=4cm