The number of lines of symmetry in a 30°-60°-90° set square is
0
1
2
3
The number of lines of symmetry in a 30°-60°-90° set square is 0.
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°-90°-45° set-square and a protector 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.