What universal set $(U)$ would you propose for each of the following:
The set of isosceles triangles
The set of isosceles triangles
(N/A) For the set of isosceles triangles,the universal set can be the set of all triangles in a plane or the set of all polygons in a plane or the set of all two-dimensional figures in a plane.
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Similar Questions
Which of the following pairs of sets are equal? Justify your answer.
$A = \{ n : n \in \mathbb{Z} \text{ and } n^2 \le 4 \}$ and $B = \{ x : x \in \mathbb{R} \text{ and } x^2 - 3x + 2 = 0 \}$.
$A = \{ n : n \in \mathbb{Z} \text{ and } n^2 \le 4 \}$ and $B = \{ x : x \in \mathbb{R} \text{ and } x^2 - 3x + 2 = 0 \}$.
Easy
View SolutionIf $aN = \{ ax : x \in N \}$,then the set $3N \cap 7N$ is equal to $kN$,where $k$ is:
Easy
View SolutionState whether the following set is finite or infinite:
The set of lines which are parallel to the $x$-axis.
The set of lines which are parallel to the $x$-axis.
Easy
View SolutionFrom the sets given below,select equal sets:
$A=\{2,4,8,12\}, B=\{1,2,3,4\}, C=\{4,8,12,14\}, D=\{3,1,4,2\}$
$E=\{-1,1\}, F=\{0, a\}, G=\{1,-1\}, H=\{0,1\}$
$A=\{2,4,8,12\}, B=\{1,2,3,4\}, C=\{4,8,12,14\}, D=\{3,1,4,2\}$
$E=\{-1,1\}, F=\{0, a\}, G=\{1,-1\}, H=\{0,1\}$
Medium
View SolutionThe number of proper subsets of the set $\{1, 2, 3\}$ is
Easy
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