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# In the diagram above, TRQ is a straight line. Find p, if p = 1/3(a + b + c).

### Question

In the diagram above, TRQ is a straight line. Find p, if p = 1/3(a + b + c).

### Options

A) 45o

B) 60o

C) 90o

D) 120sup>o

E) 150o

The correct answer is A.