In the figure shown below ABC is a triangle with BC=5 and triangle EDC has an angle ∠EDC=(90-x) degrees. If AB = 10, what is the length of the side CD ?
(A) 5
(B) [pmath size=4]5 sqrt{3}[/pmath] (C) [pmath size=4]10/ sqrt{3}[/pmath] (D) 10
(E) [pmath size=4]10 sqrt{3}[/pmath]

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adminGeometry
In the figure shown below ABC is a triangle with BC=5 and triangle EDC has an angle ∠EDC=(90-x) degrees. If AB = 10, what is the length of the side CD ? (A) 5 (B) 5 sqrt{3} (C) 10/ sqrt{3} (D) 10 (E) 10 sqrt{3}