Question

find the length of all chords drawn in the outer circle which touch the inner circle in two concentric circles

Answer 1

I Think this may be the diagram

Answer 2

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