Proof of Pythagoras Theorem

Quadratic Equation Animation

Quadratic Equation:

ax2 + bx + c = 0

Proof of Pythagoras Theorem | MathPi

MathPi

Proof of Pythagoras Theorem

Step 1

Draw a right-angled triangle with sides a, b, and c, where c is the hypotenuse (the side opposite the right angle).

Step 2

Draw a square with sides c. The area of the square is c².

Step 3

Draw squares with sides a and b on the other two sides of the triangle. The areas of the squares are a² and b².

Step 4

Remove the triangles from the squares and rearrange the squares as shown in the diagram. The new square has sides a + b and area (a + b)² = a² + b² + 2ab.

Step 5

Equating the area of the new square to the sum of the areas of the smaller squares, we get:

(a + b)² = a² + b² + 2ab

a² + 2ab + b² = a² + b² + c²

2ab = c² - a² - b²

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