SSC CGL Tier II 1 Dec 2016 Paper 1

Question : 78 of 100

Marks: +1, -0

Let two chords AB and AC of the larger circle touch the smaller circle having same centre at X and Y. Then XY = ?

Solution:

(2)

AX = AY = tangents from an exterior point
∠AXO = ∠AYO = 90°
∴ AX = XB ; AY = YC
∴ XY || BC and =

1/2

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