Question
PSLE
EFGH is a square. The shaded parts J and K are two squares with different areas. All the corners of squares J and K lie either on the sides of square EFGH or on the line EG. If the area of the square is 720 m². Find the total unshaded area.
3 m

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PSLE
EFGH is a square. The shaded parts J and K are two squares with different areas. All the corners of squares J and K lie either on the sides of square EFGH or on the line EG. If the area of the square is 720 m². Find the total unshaded area.