Question

1) Write the following set by set builder form?
A = {ruler, protractor, set square, compass, divider , pencil, eraser}​

Answer 1

Answer:

pencil,eraser,divider,compass,ruler,protractor,set square

Answer 2

A= {x: x is an instrument in a geometry box.}

Sets

A set is a collection of elements having some similar characteristics in them.

• In the given set, 'A' is a collection of all the instruments belonging to a geometry box.

• ' x ' refers to an individual element present in set A. Thus, in the set-builder form, x is defined as a single element of a geometry box.

• While converting it into the roster form, set A will contain the names of all the instruments of a geometry box.