brandonbeltran762
brandonbeltran762 brandonbeltran762
  • 23-03-2022
  • Mathematics
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Helpppp ASAPS i need your help i give brainlist to the correct answer​​

Helpppp ASAPS i need your help i give brainlist to the correct answer class=

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jimrgrant1 jimrgrant1
  • 23-03-2022

Answer:

AD = 9

Step-by-step explanation:

Using Pythagoras' identity in right triangle ABD , then

AD² + BD² = AB² , substitute values

AD² + 12² = 15²

AD² + 144 = 225  ( subtract 144 from both sides )

AD² = 81 ( take square root of both sides )

AD = [tex]\sqrt{81}[/tex] = 9

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