SOLUTION: What is the approximate length?

Question 1011584: What is the approximate length?
Found 2 solutions by josgarithmetic, Freezie:
Answer by josgarithmetic(39799) (Show Source): You can put this solution on YOUR website!
Small upper triangle and the main triangle are similar.

ED and CB are given, but AD is only given as cartesian coordinates.

Simplify and solve for AB.
Answer by Freezie(16) (Show Source): You can put this solution on YOUR website!

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