A Child Is Trying to Stack Two Uniform Bricks,each 24

Multiple Choice

A child is trying to stack two uniform bricks,each 24 cm long,so they will protrude as far as possible over the edge of a table without tipping over,as shown in the figure.What is the maximum possible overhang distance d?

A) 10 cm
B) 12 cm
C) 14 cm
D) 16 cm
E) 18 cm