From a square with area a2 another square made on mid points of the sides of the square is removed. What is the area left in the square?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. .
Original square area = a²
Inner square (joining midpoints) = a² / 2
Area left = a² – a² / 2 = a² / 2