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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