OSPIN ACADEMY HSLC 2025 Assam অংকন | Constructions | Lesson 11 | Exercise 11.2 | অনুশীলনী 11.2 | Class 10 Mathematics Solution Assamese Medium | Class 10 Maths Solution Assam | দশম শ্ৰেণীৰ গণিতৰ প্ৰশ্ন উত্তৰ | Chapter QR Code K5P3K6