1 Answer

Yevgeniy P · Answer 1 · 2019-02-07T03:57:57+0000

<MNP : <PNQ : <QNO = 4:5:6

4 + 5 + 6 = 15

<MNO = 90° so 90°/ 15 = 6

<MNP = 4 x 6° = 24°
<PNQ = 5 x 6° = 30°
<QNO = 6 x 6° = 36°

<PNO = <PNQ + <QNO = 30° + 36° = 66°

Answer
<PNO = 66°

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