Question

What is the value of n?

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Answer 1

For anyone who's wondering from the previous answer is 6. ♡ ～('▽^人)

I just finished the test and got it correct, I hope this helps! :))

Answer 2

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