Types of 2 D Shapes and there properties
1) A shape with 3 sides is called a triangle
2) A shape with 4 sides is called a quadrilateral
3) The general term for a 2D shapes with 3 sides or more is a Polygon
Triangle and the different types
Equilateral
Triangle
Isosceles
Triangle
Right Angled
Triangle
Scalene
Triangle
Properties of the Triangles:All interior Angles in a triangle add up to 1800
Equilateral Triangle:- All Side the same length and all angles 600
Isosceles Triangle:- 2 sides the same length and the corresponding angles the same
size
Right Angle Triangle:- has a right angle in it and the other 2 angles in the triangle add
up to 900
POLYGONS
All 4 sided objects called an Quadrilateral and then have Special
Names.
30
Square
Rectangle
Parallelogram
Kite
The following are all polygons with special names
5 sides
Pentagon
6 sides
Hexagon
8 sides
Octagon
9 sided polygon is called a nonagon
10 sided is called a Decagon
12 sided (like a football) is called a dodecagon
Rhombus