find the length of all chords drawn in the outer circle which touch the inner circle in two concentric circles
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I Think this may be the diagram
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Answer:
2r
Step-by-step explanation:
As we can see that AB is the diameter of larger circle...
AB is the chord of larger circle touching the inner circle....as AP⊥AB .....AP=AB(By theorem) Also AP is the radius of inner circle...
Length of the chord AB=AP+PB
i.e. AB=r+r (r is radii of inner circle)
Therefore, AB=2r
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