Exercise 11.1 Unit 11 – Parallelograms and Triangles Class 9 Maths Notes Download Useful? Share with your friends. Read more articles Previous PostCongruent Triangles – Exercise 10.4 Next PostParallelograms and Triangles – Exercise 11.2 Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Δ