Question

which type of triangle will always have at least 1 - fold reflectional symmetry? right triangle obtuse triangle acute triangle isosceles triangle

Explanation:

An isosceles triangle has two equal - length sides. The line of symmetry is the perpendicular bisector of the base (the non - equal side), which divides the triangle into two congruent halves. Right, obtuse, and acute triangles do not always have a line of symmetry.

Answer:

isosceles triangle