What is the length of AD?

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Max@Math Revolution: Elite Legendary Member; Posts: 3991; Joined: Fri Jul 24, 2015 2:28 amFollowed by: 37 members; Location: Las Vegas, USA; Thanked: 19 times

by Max@Math Revolution » Wed Apr 06, 2016 5:36 am

What is the length of AD?

A. 2âˆš10
B. 4âˆš10
C. 2âˆš5
D. 4âˆš5
E. âˆš10

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Source: Beat The GMAT — Problem Solving | Wed Apr 06, 2016 5:36 am

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