<u><em>Answer:</em></u>3
<u><em>Explanation:</em></u><u>Before we begin, remember the following:</u>

<u>Now, for the given, we have:</u>
3

<u>Applying the above rule, we would get:</u>

Since

cannot be reduced into any other form, therefore, 3√10 would be our final answer.
Hope this helps :)
Answer:
I do not know what the rest of the problem is so I can not answer
Answer:
x =21
Step-by-step explanation:
PQR is 90°
so x +2x +27 = 90
3x + 27 = 90
3x = 90-27
3x = 63
x = 63 /3
21
mark branliest i solved full question