Jika panjang AC=34 cm,BC=50 cm,dan AD=16 cm,panjang AB=

CD² = AC² - AD²
CD² = (34)² - (16)²
CD² = (30)²
CD = 30

BD² = BC² - CD²
BD² = (50)² - (30)²
BD² = (40)²
BD = 40

AB = AD + BD
AB = 16 + 40 = 56 cm

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