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Pythagorean Theorem Project

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by

Sana Syed

on 18 September 2012

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Transcript of Pythagorean Theorem Project

Pythagorean Theorem Pythagorean Theorem =
A + B = C
Pythagorean theorem can only be
applies to right triangles. 2 2 2 Pythagorean theorem states that A squared plus B squared will equal
C squared The side of the triangle right across the right angle sign is called the hypotenuse. The two other sides are called legs. Hypotenuse Leg Leg In the Pythagorean theorem
A is one of the legs, B
is the other leg, and
C is always the hypotenuse A + B = C
A = one of the legs
B = the other leg
C = the hypotenuse 2 2 2 A = 3 cm B = 4 cm C = ? To find out how out long the hypotenuse (C) is
use Pythagorean theorem
A + B = C
Replace the variables with the numbers you know
3 + 4 = C
Square both 3 and 4
9+16=C
Add 9 and 16
25= C
find the square root of both C and 25
5 = C
and now you know that C is 5cm long. 2 2 2 2 2 2 2 2 C = 100 cm B = 8 cm A = ? C = 10 cm A = 8 cm B = ? To find the length of the missing leg
first write out the Pythagorean theorem
A + B = C
now put in the numbers you know
8 + B = 10
Next square all the numbers
64 + B = 100
Next subtract 64 from both sides
B = 36
Finally, find the square root of both sides
B = 6
So now you know the length of leg B is 6 cm 2 2 2 2 2 2 2 2 Pythagorean theorem in the real world I found this right
triangle when I was
about to eat my lunch.
I know it's a right triangle because
my sandwich was in the shape of a
square before I cut it diagonally.
And I know if you cut a square in half diagonally you end up with a right triangle. I found this right triangle
outside in my backyard when
I looked out my window. I know
It's a right triangle because
it has a right angle.
You could use Pythagorean
theorem to find the length of the
rafters. I found this right triangle
my room. I knew it was a right
triangle because it has a right
angle. Works Cited Works Cited 5 Facts about Pythagoras Born on the island of Samos.
Said to have two or three brothers
His father, Mnesarchus, was a merchant from Tyre
He was well educated, he could read and play the lyre
Ten years after Pythagoras arrived in Egypt, relations between Egypt and Samos fell apart. During this war, Egypt lost and Pythagoras was taken prisoner and taken to Babylon.
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