Hat Shape Bar Chart

This example demonstrates how to create a unique hat-shaped bar chart using GeoGebra. It involves basic concepts of bar charts and how to adjust the width and height of bars to create specific shapes. The construction summary mentions the use of objects such as B2, C2, D2, D3, C3, B3, B4, C4, D4, A2, B1, C1, D1, A3, A4. Suitable for middle school and above students to learn the methods and applications of drawing bar charts.