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What is the value of n?

What is the value of n?-example-1
User Theomega
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1 Answer

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If two chords intersect each other inside a circle, the products of their segments are equal.
7(n+4) = 5(n+8)
7n + 28 = 5n + 40
7n - 5n = 40 - 28
2n = 12
n = 6
User Bubly
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