Rotational symmetry of order 1.
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It depends. If it is a right isosceles triangle, it has one axis of symmetry (the line which would bisect the right angle). A right scalene triangle has no axis of symmetry.
The rectangle's rotational symmetry is of order 2. A square's rotational symmetry is of order 4; the triangle has a symmetry of order 3. Rotational symmetry is the number of times a figure can be rotated and still look the same as the original figure.
Well, an equilateral triangle has only one line of symmetry. So does and iscosolese. A scalene doesn't have an exact answer because it can have sides that have no way of being symmetric. * * * * * Incorrect! An equilateral triangle has three lines of symmetry - not just one. An isosceles (not iscosolese) triangle has one and a scalene has none.
In an equilateral triangle: 3 In an isosceles triangle: 1 In a scalene triangle: 0
A line has 180 degrees rotational symmetry.