Classifying Triangles

Follow us:

Triangles can be classified according to their sides or angles.

Angles: Sides:
○ Acute: 3 acute angles ○ Scalene: no congruent sides
○ Obtuse: One obtuse angle ○ Isosceles: two congruent sides
○ Right: One 90 degree angle ○ Equilateral: three congruent sides

Q. Classify the given triangle as acute, obtuse, right, scalene, isosceles, or equilateral. State all that apply

[shubanman]

Why not mention oblique triangles under "angles" block? An oblique triangle is a triangle with no right angle. An oblique triangle has either three acute angles, or one obtuse angle and two acute angles.