Home
Class 11
MATHS
Let U be the set of all triangles in a p...

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' ?

Text Solution

Verified by Experts

The correct Answer is:
`therefore` A : Set of equilateral triangles.
Promotional Banner

Topper's Solved these Questions

  • SETS

    MODERN PUBLICATION|Exercise NCERT- FILE QUESTION FROM NCERT BOOK (EXERCISE 1.6)|8 Videos

  • SETS

    MODERN PUBLICATION|Exercise Miscellaneous Exercise on Chapter (1)|16 Videos

  • SETS

    MODERN PUBLICATION|Exercise NCERT- FILE QUESTION FROM NCERT BOOK (EXERCISE 1.4)|12 Videos

  • SEQUENCES AND SERIES

    MODERN PUBLICATION|Exercise CHAPTER TEST|12 Videos

  • STATISTICS

    MODERN PUBLICATION|Exercise Chapter Test|7 Videos

Similar Questions

Explore conceptually related problems

The sum of all exterior angles of a triangle is

If P is the set of all parallelogram, and T is the set of all trapeziums, then PnnT is

Let A be the set of all triangles in a plane having the sum of three interior angles is greater than 180^(@) , then A is a/an ______ set.

Let Z be the set of all integers and let a*b =a-b+ab . Then * is

Let U = the set of all triangles , P = the set of all isosceles triangles, Q - the set of all equilateral triangles , R = the set of all right angled triangles. What do the sets P uu Q represents ?

let mu = the set of all triangles, P = the set of all isosceles triangles, Q = the set of all equilateral triangles, R = the set of all right-angled triangles. What do the sets PnnQ and R-P represents respectively ?

If S be the set of all triangles and f:S rarr R^(+),f(Delta)= Area of Delta, then f is

Let s be the set of all functions from the set A to the set A. If n(A)=k then n(S) is

The angles of a triangle are in A.P.The greatest angle is twice the least.Find all the angles