Respuesta :

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

Pythagorean theorem

AC² + BC²  = AB²

AC²  +  4² = 11²

AC² + 16 = 121

AC² = 121  - 16

AC² = 105

AC = √105 =

AC = 10.25 cm

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