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^prime` ?

Let U be the set of all triangles in a plane. If A is the set of all triangles with atleast one angle different from 60^@ , what is A' ?

Let U be the set of all triangles in a plane. If A is the set of all triangles with atleast one angle different from 60^(@) , what is A'?

The set of right-angled triangles in a plane is :

In the set of all triangles "similarity is

Let U = set of all triangle and X = set of all triangles whose measure of all angle is less than 60^@ then X' = ……

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 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 P be the set of all triangles in a plane and R be the relation defined on P as a Rb if a is similar to b. Prove that R is an equivalence relation .

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