Question
In the figure, NPQ and NRS are right-angled isosceles triangles. PR = QS = 2 cm. The shaded area is 18 cm2. Find the length of NQ.
2 m

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In the figure, NPQ and NRS are right-angled isosceles triangles. PR = QS = 2 cm. The shaded area is 18 cm2. Find the length of NQ.