Question 1123996
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Let AD=BC=x; then BD = 3-x.<br>
Then in right triangle BDC the legs are 2 and 3-x and the hypotenuse is x.  Use the Pythagorean Theorem to find the value of x.<br>
Then in right triangle ABC the legs are AC and x and the hypotenuse is 3.  Use the Pythagorean Theorem again to find the length of AC.