Question
PSLE
Rael cut out three identical right-angled triangles. He joined them to form the figure KLMN shown. MN = 12 cm and NK = 10 cm. The perimeter of the figure is 36 cm. Find the area of the figure KLMN.
2 m

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PSLE
Rael cut out three identical right-angled triangles. He joined them to form the figure KLMN shown. MN = 12 cm and NK = 10 cm. The perimeter of the figure is 36 cm. Find the area of the figure KLMN.