RS Aggarwal Vikash Aggarwal Class 3 Activity Book Composite Mathematics Activity Sheet 29 Solution Mimi Das November 12, 2018 CBSE, Class 3 Comments RS Aggarwal Vikash Aggarwal Class 3 Activity Book Composite Mathematics Activity Sheet 29 Solution Activity Sheet – 29 Fill in the missing number such that the sum of numbers along each side of the triangle is the same.