In the given figure, ABCD is a rectangle I,II and III are squares. Find the area of the shaded region.

Answer

3 sq. cm

Explanation

Length of the rectangle `ABCD =9cm`
Breadth of the rectangle `=5cm`
Side of the square `III =5cm`
Side of the square `I=9-5=4cm`
Side of the square `II=5-4=1cm`
Lenght of the shaded region `=4-1=3cm`
Breadth of the shaded region `=3xx1=3sq.cm`
Area of the shaded region `=3xx1=3sq.cm`