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How do I do this question

How do I do this question-example-1
User Stefan J
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Answer:

Explanation:

Join OB.

∠A=∠A (common)


(AP)/(AO) =((1)/(2) AO)/(AO) =(1)/(2) \\(AQ)/(AB) =((1)/(2) AB)/(AB) =(1)/(2) \\(AP)/(AO) =(AQ)/(AB)

∴ ΔAPO and ΔAOB are similar.


(PQ)/(OB) =(1)/(2) \\

∠P=∠O

∠Q=∠B

So PQ║OB

Similarly RS║OB

∴PQ║RS

User Smcstewart
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