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given A-M-B AM=60 BM=84 PM is perpendicular to AB PM=45 S is a circle with centre P and radius 15. Q is variable pt. on S such that AQ is maximum find BQ

given A-M-B  AM=60 BM=84


PM is perpendicular to AB PM=45


S is a circle with centre P and radius 15. Q is variable pt. on S such that AQ is maximum


find BQ

Grade:10

1 Answers

Badiuddin askIITians.ismu Expert
147 Points
11 years ago

Dear ajinkya

 

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AQ will be maximum if it digonally apposite to A

cos x =4/5

sinx =3/5

 

so PL =15cosx =12

  QL =15sinx =9

 BN =BM-NM =84-12= 72

QN=QL+LN = 45+9 =54

BQ =√(722+542) =90

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Badiuddin

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