Question
PSLE
Carl cut out three identical right-angled triangles. He joined them to form the figure ABCD shown. CD = 18 m and DA = 15 m. The perimeter of the figure is 54 m. Find the area of the figure ABCD.
2 m

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PSLE
Carl cut out three identical right-angled triangles. He joined them to form the figure ABCD shown. CD = 18 m and DA = 15 m. The perimeter of the figure is 54 m. Find the area of the figure ABCD.