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S is the incentre of triangle PQR. If an...

S is the incentre of `triangle PQR`. If `angle PSR = 125^@` , then the measure of `angle PQR` is:
S, त्रिभुज PQR का अंतःकेंद्र है | यदि `angle PSR = 125^@` है, तो कोण PQR का मान ज्ञात करें |

A

`75^@`

B

`55^@`

C

`80^@`

D

`70^@`

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