Need help ASAP please and thank you

Step-by-step explanation:

The only angle we are given directly inside that triangle is angle R, 87 degrees. We can use the fact that the exterior angle at T is 92, so the interior angle is 180 - 92 = 88.  Now we can find angle S: 180 - 87 - 88 = 5. So angle S = 5 degrees. The Law of Sines can be used now to find the length of SR:

Cross multiply to get

x sin5 = 950 sin88 and

so

x = 10,893 km

the square root of what number? if you add that, then someone will probably answer the question.