IfAB & CD aretwo chords of thecircleintersecting each other atright an

1.	IfAB & CD aretwo chords of thecircleintersecting each other atright angleat P and if R iscentre of circle then provethatPA + PB + PC +PD = 2 PRthe(by vectors)
Answer» Step-by-step EXPLANATION: CAO = ∠ODB = X [angles in same segment ] ---- (i) Now, in RIGHT angled ΔDOB , ∠ODB + ∠DOB + ∠OBD = 180° ⇒ x + 90° + y =180° (USING equation i) ⇒ x + y = 90° it will surely help(•‿•)

IfAB & CD aretwo chords of thecircleintersecting each other atright angleat P and if R iscentre of circle then provethatPA + PB + PC +PD = 2 PRthe(by vectors)

Answer»

Step-by-step EXPLANATION:

CAO = ∠ODB = X [angles in same segment ] ---- (i)

Now, in RIGHT angled ΔDOB ,

∠ODB + ∠DOB + ∠OBD = 180°

⇒ x + 90° + y =180° (USING equation i)

⇒ x + y = 90°

it will surely help(•‿•)

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IfAB & CD aretwo chords of thecircleintersecting each other atright angleat P and if R iscentre of circle then provethatPA + PB + PC +PD = 2 PRthe(by vectors)​

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IfAB & CD aretwo chords of thecircleintersecting each other atright angleat P and if R iscentre of circle then provethatPA + PB + PC +PD = 2 PRthe(by vectors)