We often hear people in physics and mathematics talking about 4-dimensional, 5-dimensional spaces, etc... so what are those spaces? how do we picture these high dimensional spaces?
Math for the curious
What does a 4-dimensional space look like?
We often hear people in physics and mathematics talking about 4-dimensional, 5-dimensional spaces, etc... so what are those spaces? how do we picture these high dimensional spaces?
Similar triangles
Today, we are going to learn about similar triangles. We will use similar triangles to give a proof of Pythagorean Theorem.
Caveman's multiplication
Morley's Theorem
In a triangle $ABC$, draw the trisectors of the angles $A$, $B$, $C$. These trisectors intersect at $A'$, $B'$ and $C'$ as in the figure below. Prove that the triangle $A'B'C'$ is an equilateral triangle.
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