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ICSE Class 10 Answered

Two circles of radii 5cm and 3cm are concentric. Calculate the length of a chord of outter circle which touches the inner.
question image
Asked by Tanishqchhabra15 | 18 Feb, 2018, 09:58: AM
answered-by-expert Expert Answer
AB=AD......tangent from ext. point
AC=AB......tangent from ext. point
so from above
AD=AC
so tangents are equal
Answered by Arun | 18 Feb, 2018, 05:04: PM
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