Sphere

A sphere is the set of points which are all within the same distance from a given point in space.

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Measuring the height of a tower

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

The reflection of a point across an axis

Axis t and point P are given. Let’s plot the mirror image (point...

Plotting a 60° angle

To plot a 60° angle, we refer you back to the plotting of an...

Measuring the height of a cathedral

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

The volume and surface area of a juice box

In this video we calculate the volume and surface area of a...

Weighing the Pythagorean theorem

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

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