Pembuktian Pythagoras ?

x² = 5²-4²
x² = 25 - 16
x = √9
x = 3

y² = 4² + 3²
y² = 16 + 9
y = √25
y = 5

z² = 5² - 3²
z² = 25 - 9
z = √16
z = 4

x = alas
y = sisi tegak/ tinggi
y = sisi miring