PNE = 90°
PNE = PNR + RNE
пусть PNR = x, RNE = 5x
x + 5x = 90°
6x = 90°
x = 15°
PNR = 15°
RNE = 5 * 15° = 75°
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PNE = 90°
PNE = PNR + RNE
пусть PNR = x, RNE = 5x
x + 5x = 90°
6x = 90°
x = 15°
PNR = 15°
RNE = 5 * 15° = 75°