Classify Triangles

Vocabulary Matching Take a look at the Vocabulary Words and then match it to the picture or words by connecting them. 2-Dimensional Figure a shape that has no thickness, only length and height. Parallel Lines two lines that will never intersect or cross Perpendicular Lines two lines that intersect at right angles Right Triangle a triangle that has one angle that is a right angle, the other two angles are acute Acute Triangle a triangle that has all acute angles Obtuse Triangle a triangle that has one obtuse angles, the other two angles are acute Scalene Triangle a triangle with no equal sides Isosceles Triangle a triangle with two equal sides Equilateral Triangle a triangle with all equal sides Sort triangles by their side lengths. Scalene Triangles Isosceles Triangle Equilateral Triangle Sort triangles by types of angles. Acute Triangle Obtuse Triangle Right Triangle