In the given figure, a square is cut as shown in the first figure and rearranged to form a big square as shown in the second figure. Then the area of the small square(hole) in the second figure is ____.
4 sq.units
The square in the first figure is cut into 4 pieces with 3 cm and 5 cm as the measures.
When these pieces are rearranged as shown in the second figure, they create a square hole in the middle.
The side of the square = 5 cm - 3 cm = 2 cm
∴ The area of the small square is = 2×2=4 sq.units