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anzhelika [568]
3 years ago
12

please help me figure out the length of side AC!!!! i put the points at 16! i need this by the 21st :(

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
8 0

Answer:

AC = \sqrt{89} units²

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse AC is equal to the sum of the squares on the other 2 sides, that is

AC² = AB² + BC² = 5² + 8² = 25 + 64 = 89 ( take square root of both sides )

AC = \sqrt{89} ≈ 9.43 ( to 2 dec. places )

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