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Kelas 8 MatematikaBab Teorema Pythagoras
Pada segitiga besar
t = √(17² - 15²)
t = √(289 - 225)
t = √(64)
t = 8 cm
Pada segitiga kecil
(3x - 5)² = 6² + 8²
3x - 5 = √(36 + 64)
3x - 5 = √(100)
3x - 5 = 10
3x = 10 + 5
x = 15/3
x = 5 cm