Properties of 2D shapes

1. square

1.1. 4 verticies

1.2. 4 edges

1.3. 4 right angles

2. triangle

2.1. 3 verticies

2.2. 3 edges

2.3. 3 angles

2.4. 4 types

2.4.1. Isosceles

2.4.2. Scalene

2.4.3. Equilateral

2.4.4. Right Angled triangle

3. rectangle

3.1. 4 right angles

3.2. 4 edges

3.3. 4 verticies