Question

maths problem plz help with explanation​

Answer 1

Answer:

12², -144, 25, 5

Step-by-step explanation:

⇒ AC² = AB² + BC²

⇒ (13)² = (12)² + BC²

⇒ 169 - 144 = BC²

⇒ BC² = 25

⇒ BC = √25

⇒ BC = 5

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