Answer:

Step-by-step explanation:
![\displaystyle -2[5] + 5 = -10 + 5 = -5](https://tex.z-dn.net/?f=%5Cdisplaystyle%20-2%5B5%5D%20%2B%205%20%3D%20-10%20%2B%205%20%3D%20-5)
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Looks like the labeled angle is bisected, in which case we can apply the angle bisector theorem. For this triangle, it says

Solve for
:




Then either
or
, but since
is a length, it must be positive. So <em>x</em> = 2.
Answer:
c≈15.07
Step-by-step explanation:
c=a2+b2=11.12+10.22≈15.07481