Question
PSLE
Mark cut out three identical right-angled triangles. He joined them to form the figure YZAB shown. AB = 60 m and BY = 78 m. The perimeter of the figure is 240 m. Find the area of the figure YZAB.
2 m

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PSLE
Mark cut out three identical right-angled triangles. He joined them to form the figure YZAB shown. AB = 60 m and BY = 78 m. The perimeter of the figure is 240 m. Find the area of the figure YZAB.