Question
The figure is made up of two squares X and Y. The length of square X is equal to ZB, and ZB = BA. If the area of the shaded region is 49 cm2, find the length of square Y.
3 m

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The figure is made up of two squares X and Y. The length of square X is equal to ZB, and ZB = BA. If the area of the shaded region is 49 cm2, find the length of square Y.