Question
The diagram shows square C and rectangle D. The length of rectangle D is 21 m longer than its breadth. The breadth of rectangle D is the same as the length of square C. The perimeter of square C is 68 m. Find the area of rectangle D.
3 m

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The diagram shows square C and rectangle D. The length of rectangle D is 21 m longer than its breadth. The breadth of rectangle D is the same as the length of square C. The perimeter of square C is 68 m. Find the area of rectangle D.