# Pythagorean Theorem Essay Research Paper The Pythagorean

Pythagorean Theorem Essay, Research Paper

The Pythagorean Theorem is a geometrical expression used often in math and

physics. It used to 2 2 2 find the unknown side of a right triangle. The

exponential form of this theorem a + b = c . That is the equation you use when

you are looking for the unknown side of a right triangle, and it is what I?ll

demonstrate on the attached exhibit. The upside down capital L in the bottom of

the left hand corner indicates that sides A & B are the legs of the

triangle. Since we know side A = 5 inches and B = 3 inches we may fill that in

to 2 2 2 or equation for step one. (1) 5 + 3 = c What the theorem will help us

find is the c side of this triangle. 2. 25 + 9 = c All we do is distribute 5 to

the second power and 3 to the second power as seen is step two. Next, we add

these two numbers together to get 34, 25+9=34, in step three. 3. 25+9=34 Then,

in step four we find the square root of 34. 4. 34 In step five we see that 5.83

is the unknown side of the right triangle. 5. c= 5.83 We found this answer by

using the Pythagorean Theorem as taught in geometrical form. This theorem may

also be summed up by saying that the area of the square on the hypotenuse, or

opposite side of the right angle, of a right triangle is equal to sum of the

areas of the squared on the legs. The Pythagorean Theorem was a studied by many

people and groups. One of those people being Euclid. Sometimes the Pythagorean

Theorem is also referred to as the 47th Problem of Euclid. It is called this

because it is included by Euclid in a book of numbered geometric problems. In

the problem Euclid studied he would always use 3, 4, and 5 as the sides of the

right triangle. He did this because 5 x 5 = 3 x 3 + 4 x 4. The angle opposite

the side of the legs was the right angle, it had a length of 5. The 3:4:5 in the

right triangle was known as a Pythagorean triple or a three digits that could be

put in a right triangle successfully. These three numbers were also whole

numbers and were used in the Egyptian string trick, which I will talk about

later. This Pythagorean triple, 3:4:5, are the smallest integer series to have

been formed, and the only consecutive numbers in that group that is important.

These numbers can be, and often were, studied from a philosophical stand point.

The symbolic meanings of the 3:4:5 triple told by modern writers such as Manly

P. Hall say 3 stands for spirit, 4 stands for matter, and 5 stands for man.

Using Hall?s study the symbolism of this arrangement is as follows:

?Matter? (4) lays upon the plane of Earth and ?Spirit? (3) reaches up to

the Heaven and they are connected by ?Man? (5) who takes in both qualities.

A process similar to that of Euclid’s 47th Problem was the Egyptian string

trick. Egyptians were said to have invented the word geometry (geo = earth,

metry = measuring.) The Egyptians used the 3:4:5 right triangle to create right

triangles when measuring there fields after the Nile floods washed out there old

boundary markers. The Egyptians used the same theory of Euclid, 5 x 5 = 3 x 3 +

4 x 4, to get there boundaries marked correctly. Although Euclid and the Ancient

Egyptians studied the theorem, the true inventor of it ( or the person most

people believed invented it first ) was Pythagoras of Samos and his group the

Pythagoreans. Pythagoras was a man born in 580 B.C. on the island of Samos, in

the Aegean Sea. It is said Pythagoras was a man that spent his life traveling

the world in search of wisdom. This search for wisdom led him to settle in

Corona, a Greek colony in southern Italy, in about 530 B.C. Here Pythagoras

gained famous status for his group known as the Brotherhood of Pythagoreans.

This group devoted there lives to the study of mathematics. The group, as led by

Pythagoras, could be described as almost cult-like because that it had symbols,

rituals, and prayers. The group was also cult-like because of there odd ways of

not writing down any of there discoveries. It was also said that Pythagoras

himself sacrificed a hecatomb, or an ancient Greek ritual of 100 oxen, when he

discovered the Pythagorean Theorem. The group was also said to have vowed to

secrecy. One day the Pythagoreans discovered irrational numbers. They referred

to these numbers as ?algon? or unutterable. They were so shocked by these

numbers they killed a member of the group that mentioned them in public. The

group believed in many things had to do with numbers. They said ?all things

are numbers,? and also ?numbers rule the universe,? Pythagoreans believed

that numbers were divine. He also thought numbers one through ten, those of a

characteristics: 2 was female, 3 was male, odd numbers were good, and even

numbers were evil. This belief by the Pythagoreans led to many discoveries

including the Pythagorean Theorem. The Pythagoreans first discovered numbers

could be associated with shapes. Numbers six, ten, and fifteen were all

triangular numbers because they can be arranged in equilateral triangles. This

study of numbers and shapes eventually led to the discovery of many different

and important theory having to do with geometry. Although, nobody is really

positive who invented the theorem, Pythagoras or the Pythagoreans? This is

unknown because of there vow so secrecy and there neglect of writing there

discoveries down. So now nobody is even sure if Pythagoras had anything to do

with the discovery. The puzzle of who invented the Pythagorean Theorem,

Pythagoras or his followers, is so confusing because the group studied such a

wide variety of different topics. Studies of the group includes many geometric

proofs, astronomy, and music. The Pythagoreans believed that all these things

had to do with numbers. If you would ask my opinion on the theorem, I would have

to say the original inventors were the Egyptians. They used the theorem, but the

Pythagoreans were the first ones to write about and describe it more thoroughly.

I think that the theorem was an important discovery for the future . I say this

because the theorem was studied by so many great thinkers. The theorem is

complex but simple because it is easy to use with right angles after you learn

it, but it also has many philosophical meanings and parts to it. In all I think

the Pythagorean Theorem is a confusing, but an important part to the past,

present, and future of geometry.

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