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juin [17]
3 years ago
8

HELP PLS i need this right now

Mathematics
1 answer:
Margarita [4]3 years ago
5 0

Answer:

16.6

Step-by-step explanation:

By the property of intersecting secants outside of a circle, we have:

5 \times (5 + x) = 6 \times (6 + 12) \\ 25 + 5x = 6 \times 18 \\ 25 + 5x = 108 \\ 5x = 108 - 25 \\ 5x = 83 \\ x =  \frac{83}{5}  \\ x = 16.6

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