Question
In the figure, PQR and PST are right-angled isosceles triangles. QS = RT = 2 cm. The shaded area is 22 cm2. Find the length of PR.
2 m

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In the figure, PQR and PST are right-angled isosceles triangles. QS = RT = 2 cm. The shaded area is 22 cm2. Find the length of PR.