Question

Can you help me pleaaase???

Answer 1

Answer:

AB^2 = AC^2 + BC^2

11^2 = AC^2 + 4^2

121 = AC^2 + 16

AC^2 = 121 - 16

AC^2 = underoot 105

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

In ∆ ABC

by phythagoras theorem

AB^2 =AC^2 + BC^2

(11)^2 = AC^2 + (4)^2

121 = AC^2 + 16

AC^2= 105

AC= √105