9514 1404 393
Answer:
9.38
Explanation:
For a right triangle, the Pythagorean theorem tells you the relationship between the leg lengths and the hypotenuse is ...
x² +9² = 13²
x² = 169 -81 = 88
x = √88 ≈ 9.38
The length of x is about 9.38 units.
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