Answer :

Given, AB = QR

BC = PQ


CA = RP, which are corresponding sides of both triangles.


Thus, angles between any two of the corresponding sides in the two figures are matching angles.


Finding matching angles will help us to compute the remaining angles.


Therefore,


ABC = PQR = 70⁰


PRQ = CAB = 60⁰


Now, we have,



In ∆ABC,


a + b + c = 180⁰


60⁰ + 70⁰ + c = 180⁰


130⁰ + c = 180⁰


c = 180⁰-130⁰


c = 50⁰


In ∆PQR,


p + q + r = 180⁰


p + 70⁰ + 60⁰ = 180


p + 130⁰ = 180⁰


p = 180⁰-130⁰


p = 50⁰


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