# [ARBLE], 58 bytes

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    "The hypotenuse of this right triangle is "..sqrt(a^2+b^2)

[Try it online!][TIO-j93d7kpu]

[ARBLE]: https://github.com/TehFlaminTaco/ARBLE
[TIO-j93d7kpu]: https://tio.run/##SyxKykn9/18pJCNVIaOyIL8kNa@0OFUhP02hJCOzWKEoMz2jRKGkKDMxLz0nVQEooqSnV1xYVKKRGGeknRRnpPn//3/j/yYA "ARBLE – Try It Online"