Question 38
Fill in the blanks to make the statements true.
A protractor has ___ line/lines of symmetry.
Question 40
A 450−450−900 set square has ___ line/lines of symmetry.
Question 31 Fill in the blank to make the statement true. ___ triangle is a figure that has a line of symmetry but lacks rotational symmetry.
The addition symbol has ___ lines of symmetry.
The subtraction symbol has ___ lines of symmetry.