Answer:
48 mm squared
Explanation:
divide the shape into 3 parts- left square, middle joining rectangle, and right rectangle
a) the right most square has an area of 4 by 4 ie 16 mm sq.
b) the middle adjoining rectangle and length of 2 mm and breadth of 1mm making its area 2mm sq.
c) the right rectangle has height 5 mm nad breadth 6mm making the area 30 mm sq.
adding parts a b and c the total area is 16+2+30 = 48 mm squared