# Introduction to a square and its properties

### Objectives

Understand the quadrilateral, square

Understand properties related to square

40 minutes

### Prerequisites/Instructions, prior preparations, if any

The students should have prior knowledge about line segments, angles and bisectors.

### Materials/ Resources needed

Digital: Laptop, geogebra file, projector and a pointer.

Geogebra Applets : This geogebra file has been created by ITfC-Edu-Team

### Process (How to do the activity)

• Process:
1. The teacher can use this geogebra file while teaching the properties of a square.
2. Can move the vertices of the square to depict the properties.
• Developmental Questions:
1. What type of lines is a square made of ?
2. What is a right angle ?
3. The lines meet at what angles ?
4. Compare the two diagnols.
5. What is the meaning of diagnols bisecting each other ?
6. What is angle bisection ?
7. What is the measure of each bisected angle ?
8. How many triangles do you see in the figure ?
9. What type of triangles are they ?
10. Identify the circumcircle and incircle ?
• Evaluation:
1. Can square be considered a rectangle ?
2. Is square a parallelogram ?
3. What is the difference between a square and a rhombus ?
4. Are all squares quadrilaterals ?
• Question Corner:
1. List the properties of a square ?
2. Can you add some more to the properties list ?