K=11 13/56 . I hope this helps
<span>B. square
</span><span>C. Draw arcs on the circle with the compass set at r units.
</span>
Answer:

Step-by-step explanation:
Given :

Now,

Therefore, expression is equivalent to 
Answer: 48.54101966249685
Step-by-step explanation:
Please clarify, is it f(x)=2 to solve it?