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  1. Chapter 1 Class 11 Sets
  2. Concept wise

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's photo - Teacher, Computer Engineer, Marketer
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.