Quizzz
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Panjang BC dari segitiga diatas adalah ? ...
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Panjang BC dari segitiga diatas adalah ? ...
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Panjang BC adalah 16 cm.
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- Penyelesaian -
› BC² = AC² - AB²
› BC² = 20² - 12²
› BC² = (20 × 20) - (12 × 12)
› BC² = 400 - 144
› BC² = 256
› BC = √256
› BC = 16
Jadi panjang BC adalah 16 cm.
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