class 9, CBSE board, chapter 9, circle, exercise 9.2 question 4, NCERT BOOK, PART-4
Автор: Negi Coaching Institute ( Make hard to easy)
Загружено: 2026-01-18
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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. 9.12).
class 9, CBSE board, chapter 9, circle, exercise 9.2 question 4, NCERT BOOK, PART-4
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