Q: How many rotational symmetry have in a triangle?

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An isoceles triangle does not have rotational symmetry.

Only an equilateral triangle has rotational symmetry.

An equilateral triangle has rotational symmetry (order 3).

3- If an equilateral triangle has 3 equal sides, it also has 3 orders of rotational symmetry.

It is an equilateral triangle which has rotational symmetry

Related questions

A scalene triangle has one order of rotational symmetry.

Rotational symmetry of order 1.

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.

An isoceles triangle does not have rotational symmetry.

Only an equilateral triangle has rotational symmetry.

Yes, an equilateral triangle has rotational symmetry of order 3.

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.

Rotational symmetry is based on points of rotation not lines

An equilateral triangle has rotational symmetry (order 3).

3- If an equilateral triangle has 3 equal sides, it also has 3 orders of rotational symmetry.

It is an equilateral triangle which has rotational symmetry

yes it does. It a rotational symmetry of 3