Sakuru Sankakkei

Shawon and Tarek are very good friends. One day Shawon gives his friend Tarek a geometry problem. Tareq is very good at geometry and he solved the problem easily. Shawon will be very happy if you solve this problem too. Can you solve this problem?


This is a companion discussion topic for the original entry at https://toph.co/p/sakuru-sankakkei