Vertex - where two sides of the polygon meet, Right-angled triangle - a triangle with one 90 degrees., Equilateral Triangle - triangle with all sides equal, Isosceles Triangle - triangle with only two equal sides, Obtuse-angled triangle - triangle with angles of 99, 11, 70, Scalene Triangle - triangle with no equal sides, Acute-angled triangle - Angles of the triangle: 65, 75, 40, Axis of symmetry - a straight line that divides shape into two identical parts,

Basic vocabulary of triangles

Leaderboard

Visual style

Options

Switch template

Continue editing: ?