ELI5: Explain Like I'm 5

Golden triangle (mathematics)

Hey there, kiddo! Do you know what a triangle is? It's a shape that has three sides and three angles. Now, have you heard about the Golden Triangle?

The Golden Triangle is a special type of triangle that has a very unique set of properties. Its sides are in the ratio of 1:φ:φ^2, where φ is the golden ratio which is approximately 1.618. That's where the name "Golden Triangle" comes from!

Okay, let's break this down a bit more. The "ratio" here means that if we divide the length of one side of the triangle by the length of another side, we will get the same number each time. So if we call the shortest side "a," the middle side will be "aφ," and the longest side will be "aφ^2." Cool, right?

Another interesting fact about Golden Triangle is that it has two acute angles and one obtuse angle. In other words, two of the angles inside the triangle are smaller than 90 degrees and one is larger than 90 degrees.

Now, why is the Golden Triangle so special? It turns out that this triangle has many connections to mathematics, nature, and art. The golden ratio, φ, is found in many natural patterns, such as the spiral shape of a seashell or the arrangement of leaves on a stem. It also appears in architecture, music, and visual arts, as it is believed to be aesthetically pleasing to the human eye.

In summary, the Golden Triangle is a triangle with sides in the ratio of 1:φ:φ^2, where φ is the golden ratio. It has two acute angles and one obtuse angle and has many connections to math, nature, and art. Clever, isn't it?