Latest Huawei Aptitude Question SOLUTION: PA and PB are tangent to the circle at A and B respectively and the chord BC is parallel to tangent PA.If AC=6 cm and lenght of tangent AP is 9 cm.Then what is the length of the ch

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PA and PB are tangent to the circle at A and B respectively and the chord BC is parallel to tangent PA.If AC=6 cm and lenght of tangent AP is 9 cm.Then what is the length of the chord BC.

Asked In Huawei juhe rawat (9 years ago)

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sandeep  (8 years ago)

PA = PB = 9 cm ( Length of tangents from an external point)

Angle PAB = Angle ABC ( alternate angles PA !! BC)

AC = AB = 6 cm

Triangles PAB and ACB are Isoscelles and sre similar triangles

( They are equiangular)

Taking the ratios of respective sides

BC/AB = AC/PB

BC/6 = 6/9

BC = 4 cm

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saurabh sahu  (9 years ago)

plz give ans .how to solve this ?

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niranjan koorse c  (8 years ago)

9.....
because PA opposite side is BC and PB opposite side is AC which forms a square.
So ans is 9

Is this solution Helpfull? Yes (1) | No (5)  

Anirudh  (8 years ago)

Sandeep...Bro..I didn't get ur logic..can u please explain...

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Keerthi hegde  (8 years ago)

I feel 9 is correct ans

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