3 lines
* * * * *
None if it is acute angled scalene
One if it is acute angled isosceles
and
Three if it is equilateral.
An acute scalene triangle has none. An acute isosceles triangle has one and an [acute] equilateral has three.
An equilateral triangle has 3 lines of symmetry
3 is how many lines of symmetry a triangle has.
It has 3 lines of symmetry
In general, a triangle can have 0, 1 or 3 lines of symmetry.
7
None
An equilateral triangle has 3 equal acute angles of 60 degrees and it has 3 lines of symmetry.
there is 1 line of simmetry An equilateral triangle has three. An acute isosceles has one and an acute scalene has none.
a scalene triangle has no lines of symmetry
An acute scalene triangle has none. An acute isosceles triangle has one and an [acute] equilateral has three.
An equilateral triangle has 3 lines of symmetry
An equilateral triangle has three lines of symmetry.
A triangle can have 0, 1 or 3 lines of symmetry.
3 is how many lines of symmetry a triangle has.
It has 3 lines of symmetry
It has 3 lines of symmetry