Category Archives: Geometer's Sketchpad

Geometer’s Sketchpad Essentials 8 – Rotating Geometric Objects

This is the eighth tutorial in the Geometer’s Sketchpad Essentials Series.  In this post we are going to learn the Rotate command. First we are going to create a triangle and name it ABC, create a center of rotation point D, and then rotate a triangle 90 degrees.

The output of this tutorial is shown in the first figure. Continue reading

Geometer’s Sketchpad Essentials 7 – Translating Geometric Objects

This is the sixth part of the Geometer’s Sketchpad Tutorial Series.  In this post, we are going to learn how to use the Translate command.   First, we are going to make a translation vector using two points A and B, where A is the initial and B is the terminal point. We are going to construct a triangle and translate it using vector AB.

Instructions

1. Using the Point tool construct two points and use the Text tool to reveal their names. Be sure that they are named  A and B. Continue reading

Geometer’s Sketchpad Essentials 5 – Basic Graphing

This is the fifth part of the Geometer’s Sketchpad Essentials Series.  In this post, we are going to learn how graph using Geometer’s Sketchpad. We are going to plot the function f(x) = x^2 and g(x) = x + 1, change their properties such as colors, and thickness, and plot their intersections.

The output of our tutorial is shown above. To construct the graph, follow the step by step  instructions below.  Continue reading

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