1. Geometry
Shapes
J.Byrne 2017

2. The sum of the angles in any triangle is 180° Equilateral Triangle
Types of Triangles pg 1
The sum of the angles in any triangle is 180°
Equilateral Triangle
3 sides and 3angles 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 2017

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 2017

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 2017

5. A Polygon is a plane figure having 3 or more sides
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. 6 sides and 6 angles are equal Heptagon 7 sides and 7 angles are equal
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 2017