Prove that the lengths of tangents drawn from an external point to a circle are equal. Using above..

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This video explains a Section D Question from "Circles" Chapter from CBSE Class 10.

This question is for 5 Marks.

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Prove that the lengths of tangents drawn from an external point to a circle are equal.

Using above result, find the length BC of 𝛥ABC. Given that, a circle is inscribed in 𝛥ABC touching the sides AB, BC and CA at R, P and Q respectively and AB = 10 cm, AQ = 7cm, CQ = 5cm.

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NOTE : The question is referred from CBSE Class X 2024 - 25 Sample Question Paper Mathematics Standard (041) : Section D, Question 33 for educational purpose only.
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Thank you ma'am for explaining everything in detail... really helpful

manjuajaypillay