The degree measures of the three angles of a triangle are \(p, q,\) and \(r\) respectively. If \(p\) is the average (ari

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The degree measures of the three angles of a triangle are \(p, q,\) and \(r\) respectively. If \(p\) is the average (arithmetic mean) of \(q\) and \(r,\) then \(p =\)

A. 30
B. 45
C. 60
D. 90
E. 120

Answer: C

Source: Princeton Review
Source: — Problem Solving |