Question: what 3 types of triangles?
Answer: Equilateral. Equilateral triangles have 3 equal sides and 3 equal angles of 60° Isosceles. Isosceles triangles have 2 equal sides and 2 equal angles. Right-angled. 1 of the angles is a right angle (90°) in right-angled triangles. Scalene. Scalene triangles have no equal sides and no equal angles. Start activity.