Question

two concentric circles, have a common centre O. A line l intersects the outer circle at A and B and the inner circle at C and D. If AB=x and CD=y, prove that AC=BD=½(x-y)

Answer 1

Hope this is helpful!

Answer 2

Answer:

so sorry I had written "a"in place of "x" and "b" in place of "y"....

but it helps you....

Step-by-step explanation:

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