Question

Help!?!? Classify the triangle by

Answer 1

A triangle can be classified by angles:
1. Obtuse triangle has one obtuse angle.
2. Right triangle has one right angle.
3. Acute triangle has three acute angles.
4. Equiangular triangle has three congruent angles. (All angles measure 60 degrees.)

A triangle can be classified by sides:
1. Scalene triangle has three sides of different lengths.
2. Isosceles triangle has at least two congruent sides.
3. Equilateral triangle has three congruent sides.