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sertanlavr [38]
2 years ago
11

Find the missing side of each triangle.

Mathematics
2 answers:
Arisa [49]2 years ago
7 0

By using Pythagoras theorem :

  • {x}^{2}   = (12.7) {}^{2}   - (5.5)x {}^{2}

  • {x}^{2}  = 161.29 - 30.25

  • {x}^{2}  =131.04

  • x =  \sqrt{131.04}

  • x = 11.4

Correct choice is B

xxTIMURxx [149]2 years ago
4 0

Answer:

The choice B) 11.4

Step-by-step explanation:

{x}^{2}  +  {(5.5)}^{2}  =  {(12.7)}^{2}  \\  {x}^{2}  + 30.25 = 161.29 \\  {x}^{2}  = 13104 \\ x = 11.4

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