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CBSE Class 10 Mathematics
Tangents to circles, theorems on tangent length from an external point.
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1The tangent at any point of a circle is _____ to the radius at the point of contact.
2Length of tangent from external point to circle of radius r at distance d:
3Number of tangents from a point ON a circle:
4Two tangents from external point to a circle are:
5If radii of two concentric circles are 3 and 5, length of chord of larger circle that touches smaller:
Answer all 5 to submit.
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