Find the missing side of each triangle.

Mathematics

2 answers:

Arisa [49]3 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]3 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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