Answer:
10
Step-by-step explanation:
10
Radius is MN
Cord is TR
Hope this helps
Only two questions came up
I'm guessing the sum is supposed to be

Split the summand into partial fractions:


If
, then

If
, then

This means

Consider the
th partial sum of the series:

The sum telescopes so that

and as
, the second term vanishes and leaves us with

Answer:
I think the answer is 0.3 in 0.4