In Fig., Chords Ab and Cd of the Circle Intersect at O. Ao = 5 Cm, Bo = 3 Cm and Co = 2.5 Cm. Determine the Length of Do. - Mathematics

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Sum

In Fig., chords AB and CD of the circle intersect at O. AO = 5 cm, BO = 3 cm and CO = 2.5 cm. Determine the length of DO.

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Solution

Clearly, Chords AB and CD intersect at O.
∴ OA x OB = OC x OD
⇒ 5 x 3 = 2.5 x OD
⇒ OD = `(( 5 xx 3)/2.5)` = 6 cm.

  Is there an error in this question or solution?
Chapter 15: Circles - Exercise 2

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ICSE Class 10 Mathematics
Chapter 15 Circles
Exercise 2 | Q 15

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