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Sahay Sir > Question Answers > NCERT Class 9 > Maths > Chapter 10 - Circles > 4. If a line intersects two concentric circles (circles with the same centre) with centre O at A, B, C and D, prove that AB = CD (see Fig. 10.25).

4. If a line intersects two concentric circles (circles with the same centre) with centre O at A, B, C and D, prove that AB = CD (see Fig. 10.25).

4. If a line intersects two concentric circles (circles with the same centre) with centre O at A B C and D prove that AB = CD (see Fig. 10.25).