Posted by Samantha on Monday, October 4, 2010 at 9:59pm.
in square ABCD, the measure, in inches of AB is 3x+2 and BC is x+12. What is the number of inches in the length of DC ?

math  Reiny, Monday, October 4, 2010 at 11:01pm
arent' all sides equal?
then set
3x+2 = x+12 and solve for x
sub x back into x+12 to get the length of each side