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Oksi-84 [34.3K]
3 years ago
6

Please help me thanks

Mathematics
1 answer:
BabaBlast [244]3 years ago
5 0

Answer:

16.7

Step-by-step explanation:

We can use the Pythagorean theorem, a^2 + b^2 = c^2.

a = 11

c = 20

11^2 + b^2 = 20^2

121 + b^2 = 400

b^2 = 279

b = sqrt(279) = 16.7

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