PISD 4.6A & 4.6D
Acute Triangle 3 sides vertices 3 acute angles Obtuse Triangle 3 sides vertices 1 obtuse angle 2 acute angles Right Triangle 3 sides vertices 1 right angle 2 acute angles 2 perpendicular sides
Acute Triangle 3 sides vertices 3 acute angles Obtuse Triangle 3 sides vertices 1 obtuse angle 2 acute angles Right Triangle 3 sides vertices 1 right angle 2 acute angles 2 perpendicular sides