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If a line intersects two concentric circles (circles with the same centre) with centre at and , prove that (see figure)

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Text SolutionText solutionverified iconVerified

We know that, and
They are radius of respective circles.

In , we know that , so


In , we know that , so

Since,  and , we get in is equal to in .

From congruency, we can say that and are congruent.

So, .
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Question Text
If a line intersects two concentric circles (circles with the same centre) with centre at and , prove that (see figure)
Answer TypeText solution:1
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