Find the number of lines of symmetry in the Protractor
We know that in a 180° protractor there is only one 90° line which means it has only one line of symmetry.
Therefore there is only line of symmetry in the protractor.
Question 38
Fill in the blanks to make the statements true.
A protractor has ___ line/lines of symmetry.
Question 57
State whether the statements are true or false:
A 450−450−900 set square and a protractor have the same number of lines of symmetry.
A 45°-45°-90° set square and a protractor have the same number of line(s) of symmetry.