
The legs are the shorter part of a right angle triangle, while the hypotenuse is the longer part of a right angle triangle.
The three pictures are linked together because it has to with the Pythagorean Theorum. The Pythagorean therum tells us the relationship between the legs and hyptonuse of a right angle triangle, that is why there is a picture of a right angle triangle in the post (we know it is a right angle because of the square at the corner). There is a picture of a square because in the Pythagorean Theorum you make multiple right angles, resulting in a square. The last picture is of Pythagoras himself, or rather a sculpture of him. It was his theorum, so that is why he is there.
R.A.T. is an abbreviated form of Right Angle Triangle, which is a triangle that has a 90° angle.
The Greeks were an ancient civilization who greatly influencial in philosophy, educational systems, etc. etc.

A theorum is a statement proved that it is right judging by previous evidence.


The shapes you use are right angle triangles, and squares. The formula is A²+B²=C². The "guy" is obviously Pythagoras, and we care in Grade 8 Math because he supposedly created this formula. He was uber intelligent Greek mathematician who had mad skills in that particular subject, such as many others.
Below is a picture of how to find a missing length of an R.A.T.

Below is a picture of a word problem.

Now here are pictures of my Pythagoras Booklet.
Word Problem 2
a) The diagonal length of the square is 4.2 cm2
-- each square is 3x3 so you use a2+b2=c2.
9+9=c2
18=c2
18 [square root] = 4.2
4.2= c
b) the diagonal of the checker board is 22.627 cm2
- theres 64 squares, and 64 divided by 4 is 16. 16 is the side length. So from there you use A2+b2=C2. Then you get 22.627cm2
Word Problem 2
a) The diagonal length of the square is 4.2 cm2
-- each square is 3x3 so you use a2+b2=c2.
9+9=c2
18=c2
18 [square root] = 4.2
4.2= c
b) the diagonal of the checker board is 22.627 cm2
- theres 64 squares, and 64 divided by 4 is 16. 16 is the side length. So from there you use A2+b2=C2. Then you get 22.627cm2
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