In cyclic squra MRPN, angleR = (5x – 13)° and angleN = (4x + 4)°. Find value of x.
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Answer:
R + N = 180
5x-13+4x+4 = 180
9x-9 = 180
9x = 180 +9
9x = 189
x = 189/9
× =21
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