Yes, an equilateral triangle has rotational symmetry of order 3.
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An equilateral triangle has both line symmetry and rotational symmetry. A non-equilateral isosceles triangle has line symmetry but not rotational symmetry. A scalene triangle has neither kind of symmetry.
yes it does. It a rotational symmetry of 3
A scalene triangle has one order of rotational symmetry.
An isoceles triangle does not have rotation symmetry
It depends on the type of triangle. A scalene triangle (no equal sides) has no rotational symmetry. An isosceles triangle (2 equal sides) has rotational symmetry order 2. An equilateral triangle (3 equal sides) has rotational symmetry order 3. The order of rotational symmetry is how many time a shape will fit over itself during one complete rotation.