Ans 2:
Ans 3: (Master Answer)
(A): Shaded area = Area of 4 small squares = 144 sq. m
Area of 1 small square = 144 ÷ 4 = 36 sq. m
Side of small square = 6m
WZ = XY = 3 x 6 = 18m
WX = ZY = 4 x 6 = 24m
Perimeter of rectangle = 2 x (18 + 24)
= 84 m