Q40 of 60 Page 136

A 45° - 45° - 90° set-square has ______ line/lines of symmetry.

one


A 45° - 45° - 90° set-square is in the form of an isosceles triangle. An isosceles triangle has only one line of symmetry.



More from this chapter

All 60 →
38

A protractor has one line/lines of symmetry.

 39

A 30° - 60° - 90° set-square has ______ line/lines of symmetry.

 41

A rhombus is symmetrical about ______ .

 42

A rectangle is symmetrical about the lines joining the ______of the opposite sides.