Answer:
6
Step-by-step explanation:
<u>Solution</u><u>:</u>
The rationalisation factor for
is 
So, let us apply it here.

The rationalising factor for 5 - √2 is 5 + √2.
Therefore, multiplying and dividing by 5 + √2, we have

<u>Answer:</u>
<u>
</u>
Hope you could understand.
If you have any query, feel free to ask.
To find arc length, start by dividing the arc's central angle in degrees by 360. Then, multiply that number by the radius of the circle. Finally, multiply that number by 2 × pi to find the arc length.
1.) Beachy-Keen
2.) shorething
3.) shorething
4.) Beachy-Keen
5.) shorething
let me know if you think any of these are incorrect hope it helps
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