Seudónimo Seudónimo
  • 18-11-2020
  • Mathematics
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please help me figure out the length of side AC!!!! i put the points at 16! i need this by the 21st :(

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

Respuesta :

jimrgrant1 jimrgrant1
  • 18-11-2020

Answer:

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

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