1. J.Byrne 2014

2. Types of Triangles pg 1  The sum of the angles in any triangle is 180°  Equilateral Triangle  3 sides and 3 angles are equal  Isosceles Triangle  2 sides and 2 angles are equal  Scalene Triangle  No sides or angles are equal  Right Angled Triangle  1 of the angles are 90° J.Byrne 2014

3. Types of Quadrilaterals pg 2  The sum of the angles in any Quadrilateral is 360°  Parallelogram  Opp. sides are parallel and opp. angles are equal  Square  4sides and 4 angles are equal  Rectangle  2 long sides and 2 short sides 4 angles are equal  Rhombus  4 sides are equal opp. angles are equal J.Byrne 2014

4. Types of Quadrilaterals pg 3  Trapezium  Only 2 sides are parallel  Trapezoid  No sides are equal or parallel  4 sides and 4 angles are equal J.Byrne 2014

5. Polygons pg 4  A Polygon is a plane figure having 3 or more sides  Regular Polygons : all the sides and angles are equal  Equilateral Triangle  3sides and 3 angles are equal  Square  4 sides and 4 angles are equal  Pentagon  5 sides and 5 angles are equal J.Byrne 2014

6. Regular Polygons pg 5  Hexagon  6 sides and 6 angles are equal  Heptagon  7 sides and 7 angles are equal  Octagon  8 sides and 8 angles are equal  Decagon  10 sides and 10 angles are equal J.Byrne 2014