Question

A=set of points on
7 on a straight line,
B=set of points on a circle,

C = set of points on a trangle
What Universal set do you propose​

Answer 1

Step-by-step explanation:

(i) For the set of right triangles, the universal set can be the set of triangles or the set of polygons.

(ii) For the set of isosceles triangles, the universal set can be the set of triangles or the set of polygons or the set of two-dimensional figures.