• In the figure, if all the three rectangles are equal in dimension, then out the area of the region with slanting lines.
 
pattern - 5.PNG
 
Area of the region with slanting lines is given by.
 
  • By expanding the expressions, verify that all three expressions are equivalent. If \(x = 7\) and \(y = 2\), find the area of the shaded region.
If \(x = 7\) and \(y = 2\), the the area of the shaded region \(=\) sq.units.