Question
The figure is made up of Square J and Rectangle K. The length of Square J is 10 cm. The area of Rectangle K is 8 times the area of Square J. What is the area of Rectangle K?
4 m

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The figure is made up of Square J and Rectangle K. The length of Square J is 10 cm. The area of Rectangle K is 8 times the area of Square J. What is the area of Rectangle K?