# Introduction to a square and its properties

From Karnataka Open Educational Resources

### Objectives

Understand the quadrilateral, square

Understand properties related to square

### Estimated Time

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)

Download this geogebra file from this link.

- Process:

- The teacher can use this geogebra file while teaching the properties of a square.
- Can move the vertices of the square to depict the properties.

- Developmental Questions:

- What type of lines is a square made of ?
- What is a right angle ?
- The lines meet at what angles ?
- Compare the two diagnols.
- What is the meaning of diagnols bisecting each other ?
- What is angle bisection ?
- What is the measure of each bisected angle ?
- How many triangles do you see in the figure ?
- What type of triangles are they ?
- Identify the circumcircle and incircle ?

- Evaluation:

- Can square be considered a rectangle ?
- Is square a parallelogram ?
- What is the difference between a square and a rhombus ?
- Are all squares quadrilaterals ?

- Question Corner:

- List the properties of a square ?
- Can you add some more to the properties list ?