Learn about Sets on our Youtube Channel - https://www.youtube.com/watch?v=X6znC33Dy1c
Ex 1.5, 6 - Chapter 1 Class 11 Sets
Last updated at Jan. 27, 2020 by Teachoo
Transcript
Ex 1.5, 6 Let U be the set of all triangles in a plane. If A is the set of all triangles with at least one angle different from 60°, what is A′? U = Set of all triangles in a plane A = Set of all triangles with at least one angle different from 60 ° A’ = Set of all triangles with no angle different from 60° = Set of all triangles with all three angles 60° = Set of all equilateral triangles
About the Author
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.