Question

To draw parallel and perpendicular lines, __________ is used.​

Answer 1

Answer:

A protractor is an instrument to measure angles with the unit degree. The set squares are a type of drawing instrument whose two edges are perpendicular to each other. There are two types of set squares. The smaller one is 45∘−45∘ set square whose edges of equal length and both the acute angles are of measure 45∘.

Answer 2

Answer:

straight lines is correct answer