In the given figure, △QPS≅△SRQ. Find the measure of ∠PSR.

Given: ​

​$$\triangle QPS \cong \triangle SRQ$$ 

Concept Used: ​

If two triangles are congruent to each other, then their respective sides and their respective angles should always equal.

Sum of all interior angle of triangle is always $$180^0$$ ​

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