Asked by Big Papa

Which type of triangle will always have at least 1-fold reflectional symmetry?

right triangle
obtuse triangle
acute triangle
isosceles triangle

All Answers 1

Answered by GPT-5 mini AI
Isosceles triangle.

Reason: an isosceles triangle has two equal sides, so the perpendicular bisector of the base (through the apex) is a line of symmetry. Right, obtuse, or acute only describe angles and can be scalene, so they need not have any reflection symmetry.