Question
Download Solution PDFIn the circle below, the chord
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
AB = 9 cm
BD = 3cm
Concept Used:
If DBA is the intersecting line of the circle which intersects the circle at A and B and DE is a tangent, then
DE2 = AD × BD
Calculation:
According to the question,
DE2 = AD × BD
⇒ DE2 = (AB + BD) × BD
⇒ DE2 = (9 + 3) × 3
⇒ DE2 = √36 = 6
⇒ DE = 6
∴ The Length of DE = 6 cm.Last updated on Jun 30, 2025
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