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 times the volume of a cone.

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Weighing the Pythagorean theorem

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

Plotting parallel lines – Solution II

Let’s construct a rhombus such that one of its sides lies on line...

Measuring the height of a tower

Calculating the height of a classic water tower with a tape...

Plotting a parallel line at a given distance

Line e is given. Let’s plot a line parallel to line e 2 cm away.

Plotting a 45° angle

By bisecting a straight angle (180°), we get a right angle (90°)....

Plotting an angle bisector

In this video, we plot the angle bisector of a given alpha angle.

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