Question
Two identical triangles, XYW and UVZ, overlap each other as shown. Given that XY = UV = 12 m and YW = ZV = 11 m, what is the area of the figure that is unshaded?
3 m

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Two identical triangles, XYW and UVZ, overlap each other as shown. Given that XY = UV = 12 m and YW = ZV = 11 m, what is the area of the figure that is unshaded?