How to construct a parabola on Geometric Sketchpad How to construct a parabola on Geometric Sketchpad

How to use Geometry Sketchpad to construct a parabola? PHP editor Apple brings you a detailed guide. This article will introduce two common ways to construct a parabola in Geometry Sketchpad and provide step-by-step instructions to help you easily master this drawing technique. Read on to learn the secrets of how to construct a parabola using Geometry Sketchpad.

Step one: Use the [Line Segment Ruler Tool] and press the Shift key to construct a horizontal line segment AB; construct a point F above the line segment AB.

Step 2: Construct a point D on line segment AB, select point D and line segment AB as the perpendicular line of AB.

Step 3: Connect FD, select the line segment FD, and [Ctrl+M] construct the midpoint E.

Step 4: Select point E and line segment DF, select [Construction] - [Perpendicular Line] to draw the perpendicular line of line segment FD. The intersection point of the two vertical lines is P.

Step 5: Select point D and point P, and select [Construction] - [Trajectory].

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