angle poy=40find angle oyp and oyt
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PY=PT so PO is the angle bisector of ∠ RPT
note[∴ ][∠OPX= 20°]
∠ORX=∠OTP=90°
(Radius and tangent are perpendicular to each other)
In triangle ORP,
90°+20°+∠POR=180° (Angle Sum Property)
∠POR=70°
∠ROP=∠POT
(Equal tangents subtend equal angles at the centre)
Similarly,
∠ROB=∠BOS and ∠TOA=∠AOS
[note[∴ ][∠ROB + ∠BOS + ∠AOS +
∠TOP = 70° + 70° = 140°
2∠OYP+ 2∠AOS = 140°
∠POR + ∠PTY = 70°
[note][∴ ]∠OYT = 70°]
hope it helps:--
T!—!ANKS!!!!
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