Question

In cyclic quadrilateral MRPN angle r={5x-13} angle N={4x-4} then find the measures of angle R and angle N

Answer 1

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Answer 2

5x-13+4x-4=180 Opposite angles of a cyclic quadrilateral are 180*
9x-17=180
9x=180+17
9x=197
I think the sums wrong