Question

which is the first theorem in mathematics????​

Answer 1

Answer:

which class bro

Step-by-step explanation:

that the base angles of an isosceles triangle are equal, that when two lines intersect, the opposite and vertical angles are equal, that two triangles having one side equal and two adjacent angles (ASA) are equal, that a triangle inscribed in a semicircle has a right angle.

Answer 2

Answer:

Thales theorem

Step-by-step explanation:

Thales theorem: This theorem is also known as Basic Proportionality theorem which states as follows:

If you draw a line  parallel to one side of a triangle and intersect the other two sides at distinct points, then the other two sides will be split at the same ratio.

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