Question
PSLE
ABCD is a square. The shaded parts E and F are two squares with different areas. All the corners of squares E and F lie either on the sides of square ABCD or on the line AC. If the area of the square is 396 cm². Find the total unshaded area.
3 m

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PSLE
ABCD is a square. The shaded parts E and F are two squares with different areas. All the corners of squares E and F lie either on the sides of square ABCD or on the line AC. If the area of the square is 396 cm². Find the total unshaded area.