It finds the third side of the right triangle when the two sides are available. That helps to figure out the circumference of the triangle, it also helps find the length of the diagonal of the square or a rectangle.
It helps finding areas and circumpherences of polygons, it helps with construction of polygons, etc... Generally it is one of the most basic and fundamental theorems.
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Plane geometry.
maths/geometry tutor
Yes is you are using only straight ines, no if you are using arc segments.
An example of geometry is the Pythagorean Theorem which states that IF A spuared plus B squared = C squared then it is a right traingle!! there ya go
In mathematics, the Pythagorean theorem, also known as Pythagoras's theorem, is a relation in Euclidean geometry among the three sides of a right triangle. It states that the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides.