phuongthaoa5 phuongthaoa5
  • 07-11-2021
  • Mathematics
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Giúp mình giải với mọi người. Cẩm ơn rất nhiều

Giúp mình giải với mọi người Cẩm ơn rất nhiều class=

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sanboily2003
sanboily2003 sanboily2003
  • 07-11-2021

Answer:

B. 4√5

Step-by-step explanation:

x bằng căn bậc hai của (8^2 + 4^2) theo định lý pytago, trong tam giác vuôn, c^2 = a^2 + b^2

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