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irina1246 [14]
2 years ago
7

Find the length of the missing side. Leave your answer in simplest radical form.

Mathematics
1 answer:
lana66690 [7]2 years ago
7 0

Answer:

\sqrt{69}

Step-by-step explanation:

from the pythagorean theorem:

a^2 + b^2 = c^2\\10^2 + b^2 = 13^2\\100 + b^2 = 169\\b^2 = 69\\b = \sqrt{69}

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