Answer:
A. All sides of the triangle have the same length.
B. All angles of the triangle have the same measure.
Step-by-step explanation:
A shape is said to have rotation symmetry if after a rotation about a point (center), it fits unto itself. An equilateral triangle has 3 order of symmetry, that is anytime it is rotated, it maps unto itself.
An equilateral triangle is a triangle in which all the sides are equal and all the angles have the same measure of 60° each.
This means that options A and options B are both correct
