Find the remainder
Source: MTRP 2019 Class 11-Multiple Choice Question: Problem 7 :-
April 9, 2020
number theorygeometry
Problem Statement
Let be the number of isosceles triangles whose vertices are also the vertices of a regular 2019-gon.
Then the remainder when is divided by 100[*] 15
[*] 25
[*] 35
[*] 65