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Pythagorean Theorem by Diego Larios, 8th grade

The Pythagorean Theorem is used to find an unknown side of a right triangle. Lets say I have both sides (exlude the hypotenuse) lets call them “a” and “b”. To find the hypotenuse (we’ll call it “c”) you have to get “a” squared then add it to “b” squared to find c squared. This formula works with 5 being the hypotenuse  3 and 4 being the sides next to the 90 degree angle in the triangle. Three squared is 9 while 4 squared is 16. Five squared is 25 so if we use the formula, 9+16=25 which is true. If the equation isn’t true then you don’t have a right triangle.