The answer is 38.8 repeating. Might as well just round it
Given:
No of users in February is 45,000 and in october its 60,000.

t=2




Therefore, approximate no of users after 2 years is 106667.
It’s 52 because there are two sides with 64 degrees (the bottom two sides) and you add those to sides together and subtract your combine angle of the bottom 2 sides by 180 degrees which is the degree of all triangles combine and get 52