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How many lines of symmetry does an equilateral triangle have?
A regular triangle (aka equilateral triangle) has three lines of symmetry - these are its medians, In general, a regular n-gon has n lines of symmetry.
In an equilateral triangle: 3 In an isosceles triangle: 1 In a scalene triangle: 0
Some people make the mistake of thinking a square has 8 lines of symmetry, however it actually has 4 lines of symmetry. An equilateral triangle has 3 lines of symmetry.
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.