In the given figure, chords AB and CD intersect each other at a point X. Then, the value of k is- 

  1. 2
  2. 4
  3. 3
  4. 5

Answer (Detailed Solution Below)

Option 2 : 4
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Detailed Solution

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Given:

AX = 24

XB = k

CX = (k + 2)

XD = 16

Formula Used:

If two chords AB and CD intersecting at point X.

Then, AX × XB = CX × XD

Calculation:

AX × XB = CX × XD

⇒ 24 × k = (k + 2) × 16

⇒ 3k = 2(k + 2)

⇒ 3k - 2k = 4

⇒ k = 4

So, the value of k is 4.

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