I am a professional school teacher and tutor since 2001. I have created this blog to help better math learning. Advice for better math learning is given much importance here. Blog articles are for school math learners and other interested readers.

Making discoveries is as important to math as it is to science. What a great brain it must have been that made the first math discovery.

Do you know who made the first math discovery? When was it made and by whom?

Thales (624-546 BC) was the first to make a math discovery. He started the development of math as a science. He was a Greek mathematician, philosopher and astronomer. Before him, math was all about practical applications like counting, land surveying and making measurements for buildings that were to be constructed.

He proved five geometric theorems which are mentioned below one by one.

A circle is bisected by its diameter.

Angles opposite to two equal sides of an isosceles triangle are equal to each other.

Vertically opposite angles formed by intersection of two straight lines are equal.

If a triangle has two angles and a side equal to another triangle, then the two triangles are congruent.

Any angle inscribed in a semicircle is a right angle. This is called Thales’ Theorem. The image below is a diagram of Thales’ Theorem.

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