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beks73 [17]
3 years ago
7

Find the value of x!!!!!!!!!!!!

Mathematics
1 answer:
Phantasy [73]3 years ago
8 0

Answer:

x=3\sqrt{7}

Step-by-step explanation:

If a tangent and a secant connect to an exterior point of a circle, the tangent squared is equal to the product of the two segments the secant creates.

Therefore, we have:

x^2=7 \cdot 9,\\x^2=63,\\x=\sqrt{63}=\boxed{3\sqrt{7}}

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