∠RNK = 90° + 30° = 120°
RN = 132/2 = 66
Cos 30° = RN/NO = (√3)/2
ON = (2*RN)/√3 = 2*66/√3 = 132/√3 = (132*√3)/3 = 44√3
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∠RNK = 90° + 30° = 120°
RN = 132/2 = 66
Cos 30° = RN/NO = (√3)/2
ON = (2*RN)/√3 = 2*66/√3 = 132/√3 = (132*√3)/3 = 44√3