What universal set(s) would you propose for each of the following :
The set of isosceles triangles.

What universal set(s) would you propose for each of the following : The set of right triangles.

Which of the following is the empty set?

Which of the following is a set of bacterial diseases?

State the number of lines of symmetry for the following figures: An isosceles triangle

Write the following sets: Set of first five cubic numbers.

Taking the set of natural numbers as the universal set, write down the complements of the following sets: { x : x is an even natural number}

Taking the set of natural numbers as the universal set, write down the complements of the following sets: { x : x is a positive multiple of 3}

Write the following sets: Set of the first five positve integers.