Plotting a perpendicular on a line from a point P that is not on the line

Both line e and point P, which is not situated on line e, are given. Let’s plot line g such that it passes through point P and is perpendicular to line e.

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Reflecting a circle across an axis

Axis t and a circle with centre O and radius r are given on a...

How does the volume of a cylinder relate to the volume of a cone?

In this experiment we prove that the volume of a cylinder is three...

Reflecting a line segment across an axis

Axis t and line segment AB are given on a plane. Let’s plot the...

Measuring the height of a cathedral

We will measure the height of this large cathedral with a set...

Plotting a perpendicular to a line at a given point P on the line

Both line e and point P, which is situated on it, are given. Let’s...

How to copy an angle

Let’s copy a given alpha convex angle onto ray f with starting...

Weighing the Pythagorean theorem

In this experiment we provide proof of the well-known theorem of...

Reflecting a triangle across an axis

Axis t and triangle ABC are given on a particular plane. Let’s...

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