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soldi70 [24.7K]
2 years ago
14

What mistake did she make?

Mathematics
1 answer:
tiny-mole [99]2 years ago
7 0

Step-by-step explanation:

According to the pythagrean equation, it should be

AC^2 = AB^2 + BC^2\\

8² = 6² + BC²

64 = 36 + BC²

BC² = 28

BC = ✓28 = 5.29

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