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elena55 [62]
3 years ago
10

Given:

Mathematics
1 answer:
Masja [62]3 years ago
8 0

Answer:

9

Step-by-step explanation:

By joining N to L, you will have a right angled triangle which is right angle at N. Then r^2+36=(3+x)^2. r=9/2. PQ=2r=9

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